diff --git a/src/com/android/phone/CallFeaturesSetting.java b/src/com/android/phone/CallFeaturesSetting.java
index 320fc24..29df8b8 100644
--- a/src/com/android/phone/CallFeaturesSetting.java
+++ b/src/com/android/phone/CallFeaturesSetting.java
@@ -202,7 +202,8 @@
         if (DBG) log("onCreate: Intent is " + getIntent());
 
         // Make sure we are running as an admin user.
-        if (!UserManager.get(this).isAdminUser()) {
+        UserManager userManager = (UserManager) getSystemService(Context.USER_SERVICE);
+        if (!userManager.isAdminUser()) {
             Toast.makeText(this, R.string.call_settings_admin_user_only,
                     Toast.LENGTH_SHORT).show();
             finish();
diff --git a/src/com/android/phone/EmergencyInfoGroup.java b/src/com/android/phone/EmergencyInfoGroup.java
index 9e7121d..186de03 100644
--- a/src/com/android/phone/EmergencyInfoGroup.java
+++ b/src/com/android/phone/EmergencyInfoGroup.java
@@ -153,7 +153,7 @@
     private Drawable getCircularUserIcon() {
         final UserManager userManager = (UserManager) getContext().getSystemService(
                 Context.USER_SERVICE);
-        Bitmap bitmapUserIcon = userManager.getUserIcon(UserHandle.getCallingUserId());
+        Bitmap bitmapUserIcon = userManager.getUserIcon();
 
         if (bitmapUserIcon == null) {
             // get default user icon.
diff --git a/src/com/android/phone/PhoneGlobals.java b/src/com/android/phone/PhoneGlobals.java
index 8094812..14f116b 100644
--- a/src/com/android/phone/PhoneGlobals.java
+++ b/src/com/android/phone/PhoneGlobals.java
@@ -271,7 +271,8 @@
                     // not want this running if the device is still in the FBE encrypted state.
                     // This is the same procedure that is triggered in the SipIncomingCallReceiver
                     // upon BOOT_COMPLETED.
-                    UserManager userManager = UserManager.get(sMe);
+                    UserManager userManager =
+                            (UserManager) sMe.getSystemService(Context.USER_SERVICE);
                     if (userManager != null && userManager.isUserUnlocked()) {
                         SipUtil.startSipService();
                     }
diff --git a/src/com/android/services/telephony/TelecomAccountRegistry.java b/src/com/android/services/telephony/TelecomAccountRegistry.java
index 6bbcdc4..0cb687f 100644
--- a/src/com/android/services/telephony/TelecomAccountRegistry.java
+++ b/src/com/android/services/telephony/TelecomAccountRegistry.java
@@ -803,8 +803,10 @@
                 Log.i(this, "User changed, re-registering phone accounts.");
 
                 int userHandleId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 0);
-                UserHandle currentUserHandle = new UserHandle(userHandleId);
-                mIsPrimaryUser = UserManager.get(mContext).getPrimaryUser().getUserHandle()
+                UserHandle currentUserHandle = UserHandle.of(userHandleId);
+                UserManager userManager =
+                        (UserManager) context.getSystemService(Context.USER_SERVICE);
+                mIsPrimaryUser = userManager.getPrimaryUser().getUserHandle()
                         .equals(currentUserHandle);
 
                 // Any time the user changes, re-register the accounts.