diff --git a/Android.mk b/Android.mk
index 38732bb..9c9a23a 100644
--- a/Android.mk
+++ b/Android.mk
@@ -1,7 +1,7 @@
 LOCAL_PATH:= $(call my-dir)
 include $(CLEAR_VARS)
 
-LOCAL_JAVA_LIBRARIES := bouncycastle
+LOCAL_JAVA_LIBRARIES := bouncycastle telephony-common
 LOCAL_STATIC_JAVA_LIBRARIES := guava android-support-v4
 
 LOCAL_MODULE_TAGS := optional
diff --git a/res/layout/data_usage_bytes_editor.xml b/res/layout/data_usage_bytes_editor.xml
index 6207391b..ec6e64f 100644
--- a/res/layout/data_usage_bytes_editor.xml
+++ b/res/layout/data_usage_bytes_editor.xml
@@ -22,7 +22,8 @@
 
     <NumberPicker
         android:id="@+id/bytes"
-        android:layout_width="48dip"
+        android:layout_width="wrap_content"
+        android:minWidth="48dip"
         android:layout_height="wrap_content"
         android:layout_gravity="center_vertical"
         android:layout_marginLeft="16dip"
diff --git a/res/layout/wifi_dialog.xml b/res/layout/wifi_dialog.xml
index 5103e8b..88dae27 100644
--- a/res/layout/wifi_dialog.xml
+++ b/res/layout/wifi_dialog.xml
@@ -38,6 +38,7 @@
 
                 <EditText android:id="@+id/ssid"
                         style="@style/wifi_item_content"
+                        android:maxLength="32"
                         android:singleLine="true"
                         android:inputType="textNoSuggestions" />
              </LinearLayout>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index b433637..946d3e83 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -871,7 +871,7 @@
     <!-- Hint shown in dialog screen when password is too short -->
     <string name="lockpassword_password_too_short">Password must be at least %d characters</string>
     <!-- Hint shown in dialog screen when PIN is too short -->
-    <string name="lockpassword_pin_too_short">PIN must be at least %d characters</string>
+    <string name="lockpassword_pin_too_short">PIN must be at least %d digits</string>
 
     <!-- Hint shown after minimum password criteria is met -->
     <string name="lockpassword_press_continue">Touch Continue when done</string>
@@ -1451,6 +1451,10 @@
     <!-- Wifi AP settings-->
     <!-- Label for wifi tether checkbox. Toggles Access Point on/off -->
     <string name="wifi_tether_checkbox_text">Portable Wi-Fi hotspot</string>
+    <!-- Summary text when turning hotspot on -->
+    <string name="wifi_tether_starting">Turning hotspot on\u2026</string>
+    <!-- Summary text when turning hotspot off -->
+    <string name="wifi_tether_stopping">Turning off hotspot\u2026</string>
     <!-- Subtext for wifi tether checkbox on success -->
     <string name="wifi_tether_enabled_subtext">Portable hotspot <xliff:g id="network_ssid">%1$s</xliff:g> active</string>
     <!-- Subtext for wifi tether checkbox on failure -->
@@ -1776,6 +1780,8 @@
     <string name="kernel_version">Kernel version</string>
     <!-- About phone screen,  setting option name-->
     <string name="build_number">Build number</string>
+    <!-- About phone screen,  setting option name-->
+    <string name="selinux_status">SELinux status</string>
 
     <!-- About phone screen, show when a value of some status item is unavailable. -->
     <string name="device_info_not_available">Not available</string>
@@ -4050,6 +4056,11 @@
     from their cell phone carrier. The use of the string is similar to the string
     "system_update_settings_list_item_title" in this project. [CHAR LIMIT=25] -->
     <string name="additional_system_update_settings_list_item_title">Additional system updates</string>
+    <!-- These statuses are displayed when a device was built with SE Android supoprt.
+    These are displayed by the settings app in the about section. -->
+    <string name="selinux_status_disabled">Disabled</string>
+    <string name="selinux_status_permissive">Permissive</string>
+    <string name="selinux_status_enforcing">Enforcing</string>
 
     <!-- User settings -->
     <skip/>
diff --git a/res/xml/device_info_settings.xml b/res/xml/device_info_settings.xml
index b156c11..324deaa 100644
--- a/res/xml/device_info_settings.xml
+++ b/res/xml/device_info_settings.xml
@@ -125,4 +125,10 @@
                 android:title="@string/build_number"
                 android:summary="@string/device_info_default"/>
 
+        <!-- SELinux status information -->
+        <Preference android:key="selinux_status"
+                style="?android:preferenceInformationStyle"
+                android:title="@string/selinux_status"
+                android:summary="@string/selinux_status_enforcing"/>
+
 </PreferenceScreen>
diff --git a/src/com/android/settings/AccessibilitySettings.java b/src/com/android/settings/AccessibilitySettings.java
index 6167f78..8cb04cc 100644
--- a/src/com/android/settings/AccessibilitySettings.java
+++ b/src/com/android/settings/AccessibilitySettings.java
@@ -179,9 +179,9 @@
         super.onResume();
         loadInstalledServices();
         updateAllPreferences();
-        if (mServicesCategory.getPreference(0) == mNoServicesMessagePreference) {
-            offerInstallAccessibilitySerivceOnce();
-        }
+
+        offerInstallAccessibilitySerivceOnce();
+
         mSettingsPackageMonitor.register(getActivity(), getActivity().getMainLooper(), false);
         RotationPolicy.registerRotationPolicyListener(getActivity(),
                 mRotationPolicyListener);
@@ -465,6 +465,17 @@
         final boolean offerInstallService = !preferences.getBoolean(
                 KEY_INSTALL_ACCESSIBILITY_SERVICE_OFFERED_ONCE, false);
         if (offerInstallService) {
+            String screenreaderMarketLink = SystemProperties.get(
+                    SYSTEM_PROPERTY_MARKET_URL,
+                    DEFAULT_SCREENREADER_MARKET_LINK);
+            Uri marketUri = Uri.parse(screenreaderMarketLink);
+            Intent marketIntent = new Intent(Intent.ACTION_VIEW, marketUri);
+
+            if (getPackageManager().resolveActivity(marketIntent, 0) == null) {
+                // Don't show the dialog if no market app is found/installed.
+                return;
+            }
+
             preferences.edit().putBoolean(KEY_INSTALL_ACCESSIBILITY_SERVICE_OFFERED_ONCE,
                     true).commit();
             // Notify user that they do not have any accessibility
@@ -766,7 +777,7 @@
             }
             return new AlertDialog.Builder(getActivity())
                 .setTitle(title)
-                .setIcon(android.R.drawable.ic_dialog_alert)
+                .setIconAttribute(android.R.attr.alertDialogIcon)
                 .setMessage(message)
                 .setCancelable(true)
                 .setPositiveButton(android.R.string.ok, this)
diff --git a/src/com/android/settings/ApnEditor.java b/src/com/android/settings/ApnEditor.java
index efde689..bca521b 100644
--- a/src/com/android/settings/ApnEditor.java
+++ b/src/com/android/settings/ApnEditor.java
@@ -40,6 +40,7 @@
 import android.view.MenuItem;
 
 import com.android.internal.telephony.Phone;
+import com.android.internal.telephony.PhoneConstants;
 import com.android.internal.telephony.RILConstants;
 import com.android.internal.telephony.TelephonyProperties;
 
@@ -170,7 +171,7 @@
         // types.  (This screen is not normally accessible on CDMA phones, but is useful for
         // testing.)
         TelephonyManager tm = (TelephonyManager)getSystemService(TELEPHONY_SERVICE);
-        if (tm.getCurrentPhoneType() == Phone.PHONE_TYPE_CDMA) {
+        if (tm.getCurrentPhoneType() == PhoneConstants.PHONE_TYPE_CDMA) {
             mRoamingProtocol.setOnPreferenceChangeListener(this);
         } else {
             getPreferenceScreen().removePreference(mRoamingProtocol);
diff --git a/src/com/android/settings/ApnSettings.java b/src/com/android/settings/ApnSettings.java
index 57762d4..8ea2063 100644
--- a/src/com/android/settings/ApnSettings.java
+++ b/src/com/android/settings/ApnSettings.java
@@ -43,6 +43,7 @@
 import android.widget.Toast;
 
 import com.android.internal.telephony.Phone;
+import com.android.internal.telephony.PhoneConstants;
 import com.android.internal.telephony.TelephonyIntents;
 import com.android.internal.telephony.TelephonyProperties;
 
@@ -90,7 +91,7 @@
         public void onReceive(Context context, Intent intent) {
             if (intent.getAction().equals(
                     TelephonyIntents.ACTION_ANY_DATA_CONNECTION_STATE_CHANGED)) {
-                Phone.DataState state = getMobileDataState(intent);
+                PhoneConstants.DataState state = getMobileDataState(intent);
                 switch (state) {
                 case CONNECTED:
                     if (!mRestoreDefaultApnMode) {
@@ -104,12 +105,12 @@
         }
     };
 
-    private static Phone.DataState getMobileDataState(Intent intent) {
-        String str = intent.getStringExtra(Phone.STATE_KEY);
+    private static PhoneConstants.DataState getMobileDataState(Intent intent) {
+        String str = intent.getStringExtra(PhoneConstants.STATE_KEY);
         if (str != null) {
-            return Enum.valueOf(Phone.DataState.class, str);
+            return Enum.valueOf(PhoneConstants.DataState.class, str);
         } else {
-            return Phone.DataState.DISCONNECTED;
+            return PhoneConstants.DataState.DISCONNECTED;
         }
     }
 
diff --git a/src/com/android/settings/CredentialStorage.java b/src/com/android/settings/CredentialStorage.java
index c12d06c..07b1776 100644
--- a/src/com/android/settings/CredentialStorage.java
+++ b/src/com/android/settings/CredentialStorage.java
@@ -235,7 +235,7 @@
         private ResetDialog() {
             AlertDialog dialog = new AlertDialog.Builder(CredentialStorage.this)
                     .setTitle(android.R.string.dialog_alert_title)
-                    .setIcon(android.R.drawable.ic_dialog_alert)
+                    .setIconAttribute(android.R.attr.alertDialogIcon)
                     .setMessage(R.string.credentials_reset_hint)
                     .setPositiveButton(android.R.string.ok, this)
                     .setNegativeButton(android.R.string.cancel, this)
@@ -305,7 +305,7 @@
         private ConfigureKeyGuardDialog() {
             AlertDialog dialog = new AlertDialog.Builder(CredentialStorage.this)
                     .setTitle(android.R.string.dialog_alert_title)
-                    .setIcon(android.R.drawable.ic_dialog_alert)
+                    .setIconAttribute(android.R.attr.alertDialogIcon)
                     .setMessage(R.string.credentials_configure_lock_screen_hint)
                     .setPositiveButton(android.R.string.ok, this)
                     .setNegativeButton(android.R.string.cancel, this)
diff --git a/src/com/android/settings/CryptKeeper.java b/src/com/android/settings/CryptKeeper.java
index 5fb72ed..4cab767 100644
--- a/src/com/android/settings/CryptKeeper.java
+++ b/src/com/android/settings/CryptKeeper.java
@@ -56,6 +56,7 @@
 
 import com.android.internal.telephony.ITelephony;
 import com.android.internal.telephony.Phone;
+import com.android.internal.telephony.PhoneConstants;
 
 import java.util.List;
 
@@ -637,7 +638,7 @@
      */
     private final void setAirplaneModeIfNecessary() {
         final boolean isLteDevice =
-                TelephonyManager.getDefault().getLteOnCdmaMode() == Phone.LTE_ON_CDMA_TRUE;
+                TelephonyManager.getDefault().getLteOnCdmaMode() == PhoneConstants.LTE_ON_CDMA_TRUE;
         if (!isLteDevice) {
             Log.d(TAG, "Going into airplane mode.");
             Settings.System.putInt(getContentResolver(), Settings.System.AIRPLANE_MODE_ON, 1);
diff --git a/src/com/android/settings/CryptKeeperSettings.java b/src/com/android/settings/CryptKeeperSettings.java
index ce3ad9d..d0043e6 100644
--- a/src/com/android/settings/CryptKeeperSettings.java
+++ b/src/com/android/settings/CryptKeeperSettings.java
@@ -91,7 +91,7 @@
                 // TODO replace (or follow) this dialog with an explicit launch into password UI
                 new AlertDialog.Builder(getActivity())
                     .setTitle(R.string.crypt_keeper_dialog_need_password_title)
-                    .setIcon(android.R.drawable.ic_dialog_alert)
+                    .setIconAttribute(android.R.attr.alertDialogIcon)
                     .setMessage(R.string.crypt_keeper_dialog_need_password_message)
                     .setPositiveButton(android.R.string.ok, null)
                     .create()
diff --git a/src/com/android/settings/DataUsageSummary.java b/src/com/android/settings/DataUsageSummary.java
index 13512d4..5e20a6e 100644
--- a/src/com/android/settings/DataUsageSummary.java
+++ b/src/com/android/settings/DataUsageSummary.java
@@ -128,6 +128,7 @@
 import android.widget.TextView;
 
 import com.android.internal.telephony.Phone;
+import com.android.internal.telephony.PhoneConstants;
 import com.android.settings.drawable.InsetBoundsDrawable;
 import com.android.settings.net.ChartData;
 import com.android.settings.net.ChartDataLoader;
@@ -2193,7 +2194,7 @@
         final TelephonyManager tele = TelephonyManager.from(context);
 
         final boolean hasWimax = conn.isNetworkSupported(TYPE_WIMAX);
-        final boolean hasLte = (tele.getLteOnCdmaMode() == Phone.LTE_ON_CDMA_TRUE)
+        final boolean hasLte = (tele.getLteOnCdmaMode() == PhoneConstants.LTE_ON_CDMA_TRUE)
                 && hasReadyMobileRadio(context);
         return hasWimax || hasLte;
     }
diff --git a/src/com/android/settings/DevelopmentSettings.java b/src/com/android/settings/DevelopmentSettings.java
index f5789ae..46ffe83 100644
--- a/src/com/android/settings/DevelopmentSettings.java
+++ b/src/com/android/settings/DevelopmentSettings.java
@@ -757,7 +757,7 @@
                             getActivity().getResources().getString(
                                     R.string.dev_settings_warning_message))
                             .setTitle(R.string.dev_settings_warning_title)
-                            .setIcon(android.R.drawable.ic_dialog_alert)
+                            .setIconAttribute(android.R.attr.alertDialogIcon)
                             .setPositiveButton(android.R.string.yes, this)
                             .setNegativeButton(android.R.string.no, this)
                             .show();
@@ -800,7 +800,7 @@
                 mAdbDialog = new AlertDialog.Builder(getActivity()).setMessage(
                         getActivity().getResources().getString(R.string.adb_warning_message))
                         .setTitle(R.string.adb_warning_title)
-                        .setIcon(android.R.drawable.ic_dialog_alert)
+                        .setIconAttribute(android.R.attr.alertDialogIcon)
                         .setPositiveButton(android.R.string.yes, this)
                         .setNegativeButton(android.R.string.no, this)
                         .show();
diff --git a/src/com/android/settings/DeviceInfoSettings.java b/src/com/android/settings/DeviceInfoSettings.java
index 7d8b805..3847862 100644
--- a/src/com/android/settings/DeviceInfoSettings.java
+++ b/src/com/android/settings/DeviceInfoSettings.java
@@ -23,6 +23,7 @@
 import android.content.pm.ResolveInfo;
 import android.os.Build;
 import android.os.Bundle;
+import android.os.SELinux;
 import android.os.SystemClock;
 import android.os.SystemProperties;
 import android.preference.Preference;
@@ -53,9 +54,11 @@
     private static final String KEY_COPYRIGHT = "copyright";
     private static final String KEY_SYSTEM_UPDATE_SETTINGS = "system_update_settings";
     private static final String PROPERTY_URL_SAFETYLEGAL = "ro.url.safetylegal";
+    private static final String PROPERTY_SELINUX_STATUS = "ro.build.selinux";
     private static final String KEY_KERNEL_VERSION = "kernel_version";
     private static final String KEY_BUILD_NUMBER = "build_number";
     private static final String KEY_DEVICE_MODEL = "device_model";
+    private static final String KEY_SELINUX_STATUS = "selinux_status";
     private static final String KEY_BASEBAND_VERSION = "baseband_version";
     private static final String KEY_FIRMWARE_VERSION = "firmware_version";
     private static final String KEY_UPDATE_SETTING = "additional_system_update_settings";
@@ -79,6 +82,18 @@
         setStringSummary(KEY_BUILD_NUMBER, Build.DISPLAY);
         findPreference(KEY_KERNEL_VERSION).setSummary(getFormattedKernelVersion());
 
+        if (!SELinux.isSELinuxEnabled()) {
+            String status = getResources().getString(R.string.selinux_status_disabled);
+            setStringSummary(KEY_SELINUX_STATUS, status);
+        } else if (!SELinux.isSELinuxEnforced()) {
+            String status = getResources().getString(R.string.selinux_status_permissive);
+            setStringSummary(KEY_SELINUX_STATUS, status);
+        }
+
+        // Remove selinux information if property is not present
+        removePreferenceIfPropertyMissing(getPreferenceScreen(), KEY_SELINUX_STATUS,
+                PROPERTY_SELINUX_STATUS);
+
         // Remove Safety information preference if PROPERTY_URL_SAFETYLEGAL is not set
         removePreferenceIfPropertyMissing(getPreferenceScreen(), "safetylegal",
                 PROPERTY_URL_SAFETYLEGAL);
diff --git a/src/com/android/settings/PrivacySettings.java b/src/com/android/settings/PrivacySettings.java
index e2433bd..d936f46 100644
--- a/src/com/android/settings/PrivacySettings.java
+++ b/src/com/android/settings/PrivacySettings.java
@@ -119,7 +119,7 @@
         // TODO: DialogFragment?
         mConfirmDialog = new AlertDialog.Builder(getActivity()).setMessage(msg)
                 .setTitle(R.string.backup_erase_dialog_title)
-                .setIcon(android.R.drawable.ic_dialog_alert)
+                .setIconAttribute(android.R.attr.alertDialogIcon)
                 .setPositiveButton(android.R.string.ok, this)
                 .setNegativeButton(android.R.string.cancel, this)
                 .show();
diff --git a/src/com/android/settings/RadioInfo.java b/src/com/android/settings/RadioInfo.java
index aa3f2e9..5ba3837 100644
--- a/src/com/android/settings/RadioInfo.java
+++ b/src/com/android/settings/RadioInfo.java
@@ -55,6 +55,7 @@
 
 import com.android.internal.telephony.DataConnection;
 import com.android.internal.telephony.Phone;
+import com.android.internal.telephony.PhoneConstants;
 import com.android.internal.telephony.PhoneFactory;
 import com.android.internal.telephony.PhoneStateIntentReceiver;
 import com.android.internal.telephony.TelephonyProperties;
@@ -193,9 +194,14 @@
                     ar= (AsyncResult) msg.obj;
                     if (ar.exception == null) {
                         int type = ((int[])ar.result)[0];
+                        if (type >= mPreferredNetworkLabels.length) {
+                            Log.e(TAG, "[RadioInfo] EVENT_QUERY_PREFERRED_TYPE_DONE: unknown " +
+                                    "type=" + type);
+                            type = mPreferredNetworkLabels.length - 1;
+                        }
                         preferredNetworkType.setSelection(type, true);
                     } else {
-                        preferredNetworkType.setSelection(8, true);
+                        preferredNetworkType.setSelection(mPreferredNetworkLabels.length - 1, true);
                     }
                     break;
                 case EVENT_SET_PREFERRED_TYPE_DONE:
@@ -546,7 +552,7 @@
 
     private final void
     updatePhoneState() {
-        Phone.State state = mPhoneStateReceiver.getPhoneState();
+        PhoneConstants.State state = mPhoneStateReceiver.getPhoneState();
         Resources r = getResources();
         String display = r.getString(R.string.radioInfo_unknown);
 
@@ -1009,7 +1015,7 @@
             mPreferredNetworkHandler = new AdapterView.OnItemSelectedListener() {
         public void onItemSelected(AdapterView parent, View v, int pos, long id) {
             Message msg = mHandler.obtainMessage(EVENT_SET_PREFERRED_TYPE_DONE);
-            if (pos>=0 && pos<=7) { //IS THIS NEEDED to extend to the entire range of values
+            if (pos>=0 && pos<=(mPreferredNetworkLabels.length - 2)) {
                 phone.setPreferredNetworkType(pos, msg);
             }
         }
@@ -1027,5 +1033,9 @@
             "CDMA only",
             "EvDo only",
             "GSM/CDMA auto (PRL)",
+            "LTE/CDMA auto (PRL)",
+            "LTE/GSM auto (PRL)",
+            "LTE/GSM/CDMA auto (PRL)",
+            "LTE only",
             "Unknown"};
 }
diff --git a/src/com/android/settings/RingerVolumePreference.java b/src/com/android/settings/RingerVolumePreference.java
index a79f4a5..954213d 100644
--- a/src/com/android/settings/RingerVolumePreference.java
+++ b/src/com/android/settings/RingerVolumePreference.java
@@ -17,7 +17,6 @@
 package com.android.settings;
 
 import static android.os.BatteryManager.BATTERY_STATUS_UNKNOWN;
-import static android.provider.Telephony.Intents.SPN_STRINGS_UPDATED_ACTION;
 
 import com.android.internal.telephony.TelephonyIntents;
 
diff --git a/src/com/android/settings/TestingSettingsBroadcastReceiver.java b/src/com/android/settings/TestingSettingsBroadcastReceiver.java
index cea12c5..3c40453 100644
--- a/src/com/android/settings/TestingSettingsBroadcastReceiver.java
+++ b/src/com/android/settings/TestingSettingsBroadcastReceiver.java
@@ -1,7 +1,7 @@
 package com.android.settings;
 
 import android.provider.Telephony;
-import static android.provider.Telephony.Intents.SECRET_CODE_ACTION;
+import static com.android.internal.telephony.TelephonyIntents.SECRET_CODE_ACTION;
 
 import android.content.Context;
 import android.content.Intent;
diff --git a/src/com/android/settings/Utils.java b/src/com/android/settings/Utils.java
index 460a182..a029342 100644
--- a/src/com/android/settings/Utils.java
+++ b/src/com/android/settings/Utils.java
@@ -124,7 +124,7 @@
         // Did not find a matching activity, so remove the preference
         parentPreferenceGroup.removePreference(preference);
 
-        return true;
+        return false;
     }
 
     /**
diff --git a/src/com/android/settings/accounts/AccountSyncSettings.java b/src/com/android/settings/accounts/AccountSyncSettings.java
index 715108b..196908e 100644
--- a/src/com/android/settings/accounts/AccountSyncSettings.java
+++ b/src/com/android/settings/accounts/AccountSyncSettings.java
@@ -79,7 +79,7 @@
     private Account[] mAccounts;
     private ArrayList<SyncStateCheckBoxPreference> mCheckBoxes =
                 new ArrayList<SyncStateCheckBoxPreference>();
-    private ArrayList<String> mInvisibleAdapters = Lists.newArrayList();
+    private ArrayList<SyncAdapterType> mInvisibleAdapters = Lists.newArrayList();
 
     @Override
     public Dialog onCreateDialog(final int id) {
@@ -321,8 +321,11 @@
         }
         // plus whatever the system needs to sync, e.g., invisible sync adapters
         if (mAccount != null) {
-            for (String authority : mInvisibleAdapters) {
-                requestOrCancelSync(mAccount, authority, startSync);
+            for (SyncAdapterType syncAdapter : mInvisibleAdapters) {
+                // invisible sync adapters' account type should be same as current account type
+                if (syncAdapter.accountType.equals(mAccount.type)) {
+                    requestOrCancelSync(mAccount, syncAdapter.authority, startSync);
+                }
             }
         }
     }
@@ -452,7 +455,7 @@
             } else {
                 // keep track of invisible sync adapters, so sync now forces
                 // them to sync as well.
-                mInvisibleAdapters.add(sa.authority);
+                mInvisibleAdapters.add(sa);
             }
         }
 
diff --git a/src/com/android/settings/applications/InstalledAppDetails.java b/src/com/android/settings/applications/InstalledAppDetails.java
index d85c341..7fe3711 100644
--- a/src/com/android/settings/applications/InstalledAppDetails.java
+++ b/src/com/android/settings/applications/InstalledAppDetails.java
@@ -815,7 +815,7 @@
                 case DLG_CLEAR_DATA:
                     return new AlertDialog.Builder(getActivity())
                     .setTitle(getActivity().getText(R.string.clear_data_dlg_title))
-                    .setIcon(android.R.drawable.ic_dialog_alert)
+                    .setIconAttribute(android.R.attr.alertDialogIcon)
                     .setMessage(getActivity().getText(R.string.clear_data_dlg_text))
                     .setPositiveButton(R.string.dlg_ok,
                             new DialogInterface.OnClickListener() {
@@ -829,7 +829,7 @@
                 case DLG_FACTORY_RESET:
                     return new AlertDialog.Builder(getActivity())
                     .setTitle(getActivity().getText(R.string.app_factory_reset_dlg_title))
-                    .setIcon(android.R.drawable.ic_dialog_alert)
+                    .setIconAttribute(android.R.attr.alertDialogIcon)
                     .setMessage(getActivity().getText(R.string.app_factory_reset_dlg_text))
                     .setPositiveButton(R.string.dlg_ok,
                             new DialogInterface.OnClickListener() {
@@ -843,7 +843,7 @@
                 case DLG_APP_NOT_FOUND:
                     return new AlertDialog.Builder(getActivity())
                     .setTitle(getActivity().getText(R.string.app_not_found_dlg_title))
-                    .setIcon(android.R.drawable.ic_dialog_alert)
+                    .setIconAttribute(android.R.attr.alertDialogIcon)
                     .setMessage(getActivity().getText(R.string.app_not_found_dlg_title))
                     .setNeutralButton(getActivity().getText(R.string.dlg_ok),
                             new DialogInterface.OnClickListener() {
@@ -856,7 +856,7 @@
                 case DLG_CANNOT_CLEAR_DATA:
                     return new AlertDialog.Builder(getActivity())
                     .setTitle(getActivity().getText(R.string.clear_failed_dlg_title))
-                    .setIcon(android.R.drawable.ic_dialog_alert)
+                    .setIconAttribute(android.R.attr.alertDialogIcon)
                     .setMessage(getActivity().getText(R.string.clear_failed_dlg_text))
                     .setNeutralButton(R.string.dlg_ok,
                             new DialogInterface.OnClickListener() {
@@ -870,7 +870,7 @@
                 case DLG_FORCE_STOP:
                     return new AlertDialog.Builder(getActivity())
                     .setTitle(getActivity().getText(R.string.force_stop_dlg_title))
-                    .setIcon(android.R.drawable.ic_dialog_alert)
+                    .setIconAttribute(android.R.attr.alertDialogIcon)
                     .setMessage(getActivity().getText(R.string.force_stop_dlg_text))
                     .setPositiveButton(R.string.dlg_ok,
                         new DialogInterface.OnClickListener() {
@@ -886,14 +886,14 @@
                             getOwner().getMoveErrMsg(moveErrorCode));
                     return new AlertDialog.Builder(getActivity())
                     .setTitle(getActivity().getText(R.string.move_app_failed_dlg_title))
-                    .setIcon(android.R.drawable.ic_dialog_alert)
+                    .setIconAttribute(android.R.attr.alertDialogIcon)
                     .setMessage(msg)
                     .setNeutralButton(R.string.dlg_ok, null)
                     .create();
                 case DLG_DISABLE:
                     return new AlertDialog.Builder(getActivity())
                     .setTitle(getActivity().getText(R.string.app_disable_dlg_title))
-                    .setIcon(android.R.drawable.ic_dialog_alert)
+                    .setIconAttribute(android.R.attr.alertDialogIcon)
                     .setMessage(getActivity().getText(R.string.app_disable_dlg_text))
                     .setPositiveButton(R.string.dlg_ok,
                         new DialogInterface.OnClickListener() {
@@ -909,7 +909,7 @@
                 case DLG_DISABLE_NOTIFICATIONS:
                     return new AlertDialog.Builder(getActivity())
                     .setTitle(getActivity().getText(R.string.app_disable_notifications_dlg_title))
-                    .setIcon(android.R.drawable.ic_dialog_alert)
+                    .setIconAttribute(android.R.attr.alertDialogIcon)
                     .setMessage(getActivity().getText(R.string.app_disable_notifications_dlg_text))
                     .setPositiveButton(R.string.dlg_ok,
                         new DialogInterface.OnClickListener() {
diff --git a/src/com/android/settings/applications/RunningServiceDetails.java b/src/com/android/settings/applications/RunningServiceDetails.java
index f91abd6..2087f21 100644
--- a/src/com/android/settings/applications/RunningServiceDetails.java
+++ b/src/com/android/settings/applications/RunningServiceDetails.java
@@ -507,7 +507,7 @@
                     
                     return new AlertDialog.Builder(getActivity())
                             .setTitle(getActivity().getString(R.string.runningservicedetails_stop_dlg_title))
-                            .setIcon(android.R.drawable.ic_dialog_alert)
+                            .setIconAttribute(android.R.attr.alertDialogIcon)
                             .setMessage(getActivity().getString(R.string.runningservicedetails_stop_dlg_text))
                             .setPositiveButton(R.string.dlg_ok,
                                     new DialogInterface.OnClickListener() {
diff --git a/src/com/android/settings/bluetooth/Utils.java b/src/com/android/settings/bluetooth/Utils.java
index 01e72e0..fb44d5a 100755
--- a/src/com/android/settings/bluetooth/Utils.java
+++ b/src/com/android/settings/bluetooth/Utils.java
@@ -93,7 +93,7 @@
         Context activity = manager.getForegroundActivity();
         if(manager.isForegroundActivity()) {
             new AlertDialog.Builder(activity)
-                .setIcon(android.R.drawable.ic_dialog_alert)
+                .setIconAttribute(android.R.attr.alertDialogIcon)
                 .setTitle(R.string.bluetooth_error_title)
                 .setMessage(message)
                 .setPositiveButton(android.R.string.ok, null)
diff --git a/src/com/android/settings/deviceinfo/Memory.java b/src/com/android/settings/deviceinfo/Memory.java
index cb344bf..cabc6e9 100644
--- a/src/com/android/settings/deviceinfo/Memory.java
+++ b/src/com/android/settings/deviceinfo/Memory.java
@@ -57,8 +57,8 @@
     // The mountToggle Preference that has last been clicked.
     // Assumes no two successive unmount event on 2 different volumes are performed before the first
     // one's preference is disabled
-    private Preference mLastClickedMountToggle;
-    private String mClickedMountPoint;
+    private static Preference mLastClickedMountToggle;
+    private static String mClickedMountPoint;
 
     // Access using getMountService()
     private IMountService mMountService = null;
diff --git a/src/com/android/settings/deviceinfo/Status.java b/src/com/android/settings/deviceinfo/Status.java
index 1d1dfaa..9e884c5 100644
--- a/src/com/android/settings/deviceinfo/Status.java
+++ b/src/com/android/settings/deviceinfo/Status.java
@@ -43,6 +43,7 @@
 import android.text.TextUtils;
 
 import com.android.internal.telephony.Phone;
+import com.android.internal.telephony.PhoneConstants;
 import com.android.internal.telephony.PhoneFactory;
 import com.android.internal.telephony.PhoneStateIntentReceiver;
 import com.android.internal.telephony.TelephonyProperties;
@@ -115,7 +116,7 @@
     private Preference mSignalStrength;
     private Preference mUptime;
 
-    private static String sUnknown;
+    private String sUnknown;
 
     private Preference mBatteryStatus;
     private Preference mBatteryLevel;
@@ -188,9 +189,7 @@
         mBatteryStatus = findPreference(KEY_BATTERY_STATUS);
 
         mRes = getResources();
-        if (sUnknown == null) {
-            sUnknown = mRes.getString(R.string.device_info_default);
-        }
+        sUnknown = mRes.getString(R.string.device_info_default);
 
         mPhone = PhoneFactory.getDefaultPhone();
         // Note - missing in zaku build, be careful later...
@@ -213,7 +212,7 @@
                 setSummaryText(KEY_PRL_VERSION, mPhone.getCdmaPrlVersion());
                 removePreferenceFromScreen(KEY_IMEI_SV);
 
-                if (mPhone.getLteOnCdmaMode() == Phone.LTE_ON_CDMA_TRUE) {
+                if (mPhone.getLteOnCdmaMode() == PhoneConstants.LTE_ON_CDMA_TRUE) {
                     // Show ICC ID and IMEI for LTE device
                     setSummaryText(KEY_ICC_ID, mPhone.getIccSerialNumber());
                     setSummaryText(KEY_IMEI, mPhone.getImei());
diff --git a/src/com/android/settings/inputmethod/InputMethodAndLanguageSettings.java b/src/com/android/settings/inputmethod/InputMethodAndLanguageSettings.java
index 182c1eb..c2ff0d9 100644
--- a/src/com/android/settings/inputmethod/InputMethodAndLanguageSettings.java
+++ b/src/com/android/settings/inputmethod/InputMethodAndLanguageSettings.java
@@ -225,6 +225,7 @@
     public void onResume() {
         super.onResume();
 
+        mSettingsObserver.resume();
         mIm.registerInputDeviceListener(this, null);
 
         if (!mIsOnlyImeSettings) {
@@ -279,6 +280,7 @@
         super.onPause();
 
         mIm.unregisterInputDeviceListener(this);
+        mSettingsObserver.pause();
 
         if (SHOW_INPUT_METHOD_SWITCHER_SETTINGS) {
             mShowInputMethodSelectorPref.setOnPreferenceChangeListener(null);
@@ -537,17 +539,27 @@
     }
 
     private class SettingsObserver extends ContentObserver {
+        private Context mContext;
+
         public SettingsObserver(Handler handler, Context context) {
             super(handler);
-            final ContentResolver cr = context.getContentResolver();
+            mContext = context;
+        }
+
+        @Override public void onChange(boolean selfChange) {
+            updateCurrentImeName();
+        }
+
+        public void resume() {
+            final ContentResolver cr = mContext.getContentResolver();
             cr.registerContentObserver(
                     Settings.Secure.getUriFor(Settings.Secure.DEFAULT_INPUT_METHOD), false, this);
             cr.registerContentObserver(Settings.Secure.getUriFor(
                     Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE), false, this);
         }
 
-        @Override public void onChange(boolean selfChange) {
-            updateCurrentImeName();
+        public void pause() {
+            mContext.getContentResolver().unregisterContentObserver(this);
         }
     }
 }
diff --git a/src/com/android/settings/inputmethod/InputMethodAndSubtypeEnabler.java b/src/com/android/settings/inputmethod/InputMethodAndSubtypeEnabler.java
index ea3ddf4..13f4435 100644
--- a/src/com/android/settings/inputmethod/InputMethodAndSubtypeEnabler.java
+++ b/src/com/android/settings/inputmethod/InputMethodAndSubtypeEnabler.java
@@ -155,7 +155,7 @@
                 if (mDialog == null) {
                     mDialog = (new AlertDialog.Builder(getActivity()))
                             .setTitle(android.R.string.dialog_alert_title)
-                            .setIcon(android.R.drawable.ic_dialog_alert)
+                            .setIconAttribute(android.R.attr.alertDialogIcon)
                             .setCancelable(true)
                             .setPositiveButton(android.R.string.ok,
                                     new DialogInterface.OnClickListener() {
diff --git a/src/com/android/settings/inputmethod/InputMethodPreference.java b/src/com/android/settings/inputmethod/InputMethodPreference.java
index f555d21..103481e 100644
--- a/src/com/android/settings/inputmethod/InputMethodPreference.java
+++ b/src/com/android/settings/inputmethod/InputMethodPreference.java
@@ -253,7 +253,7 @@
         }
         mDialog = (new AlertDialog.Builder(mFragment.getActivity()))
                 .setTitle(android.R.string.dialog_alert_title)
-                .setIcon(android.R.drawable.ic_dialog_alert)
+                .setIconAttribute(android.R.attr.alertDialogIcon)
                 .setCancelable(true)
                 .setPositiveButton(android.R.string.ok,
                         new DialogInterface.OnClickListener() {
diff --git a/src/com/android/settings/inputmethod/SpellCheckersSettings.java b/src/com/android/settings/inputmethod/SpellCheckersSettings.java
index d3e5181..8b1b867 100644
--- a/src/com/android/settings/inputmethod/SpellCheckersSettings.java
+++ b/src/com/android/settings/inputmethod/SpellCheckersSettings.java
@@ -122,7 +122,7 @@
         }
         mDialog = (new AlertDialog.Builder(getActivity()))
                 .setTitle(android.R.string.dialog_alert_title)
-                .setIcon(android.R.drawable.ic_dialog_alert)
+                .setIconAttribute(android.R.attr.alertDialogIcon)
                 .setCancelable(true)
                 .setPositiveButton(android.R.string.ok,
                         new DialogInterface.OnClickListener() {
diff --git a/src/com/android/settings/quicklaunch/QuickLaunchSettings.java b/src/com/android/settings/quicklaunch/QuickLaunchSettings.java
index 47fa34a..5654323 100644
--- a/src/com/android/settings/quicklaunch/QuickLaunchSettings.java
+++ b/src/com/android/settings/quicklaunch/QuickLaunchSettings.java
@@ -144,7 +144,7 @@
                 // Create the dialog for clearing a shortcut
                 return new AlertDialog.Builder(this)
                         .setTitle(getString(R.string.quick_launch_clear_dialog_title))
-                        .setIcon(android.R.drawable.ic_dialog_alert)
+                        .setIconAttribute(android.R.attr.alertDialogIcon)
                         .setMessage(getString(R.string.quick_launch_clear_dialog_message,
                                 mClearDialogShortcut, mClearDialogBookmarkTitle))
                         .setPositiveButton(R.string.quick_launch_clear_ok_button, this)
diff --git a/src/com/android/settings/tts/TextToSpeechSettings.java b/src/com/android/settings/tts/TextToSpeechSettings.java
index fbcdb4f..603d028 100644
--- a/src/com/android/settings/tts/TextToSpeechSettings.java
+++ b/src/com/android/settings/tts/TextToSpeechSettings.java
@@ -329,7 +329,7 @@
         Log.i(TAG, "Displaying data alert for :" + key);
         AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
         builder.setTitle(android.R.string.dialog_alert_title);
-        builder.setIcon(android.R.drawable.ic_dialog_alert);
+        builder.setIconAttribute(android.R.attr.alertDialogIcon);
         builder.setMessage(getActivity().getString(
                 R.string.tts_engine_security_warning, mEnginesHelper.getEngineInfo(key).label));
         builder.setCancelable(true);
diff --git a/src/com/android/settings/wifi/WifiApEnabler.java b/src/com/android/settings/wifi/WifiApEnabler.java
index 92e1c92..86a7cb4 100644
--- a/src/com/android/settings/wifi/WifiApEnabler.java
+++ b/src/com/android/settings/wifi/WifiApEnabler.java
@@ -180,7 +180,7 @@
     private void handleWifiApStateChanged(int state) {
         switch (state) {
             case WifiManager.WIFI_AP_STATE_ENABLING:
-                mCheckBox.setSummary(R.string.wifi_starting);
+                mCheckBox.setSummary(R.string.wifi_tether_starting);
                 mCheckBox.setEnabled(false);
                 break;
             case WifiManager.WIFI_AP_STATE_ENABLED:
@@ -193,7 +193,7 @@
                 mCheckBox.setEnabled(true);
                 break;
             case WifiManager.WIFI_AP_STATE_DISABLING:
-                mCheckBox.setSummary(R.string.wifi_stopping);
+                mCheckBox.setSummary(R.string.wifi_tether_stopping);
                 mCheckBox.setEnabled(false);
                 break;
             case WifiManager.WIFI_AP_STATE_DISABLED: