diff --git a/aoc/dump_aoc.cpp b/aoc/dump_aoc.cpp
index 6be56b0..8d5278d 100644
--- a/aoc/dump_aoc.cpp
+++ b/aoc/dump_aoc.cpp
@@ -36,5 +36,7 @@
     runCommand("AoC Heap Stats (F1)", "echo 'dbg heap -c 2' > /dev/acd-debug; timeout 0.1 cat /dev/acd-debug");
     runCommand("AoC Heap Stats (HF0)", "echo 'dbg heap -c 3' > /dev/acd-debug; timeout 0.1 cat /dev/acd-debug");
     runCommand("AoC Heap Stats (HF1)", "echo 'dbg heap -c 4' > /dev/acd-debug; timeout 0.1 cat /dev/acd-debug");
+    runCommand("AoC DVFS (FF1)", "echo 'dbg info -c 2 DVFSFF1' > /dev/acd-debug; timeout 0.1 cat /dev/acd-debug");
+    runCommand("AoC Monitor Mode Status", "echo 'monitor_mode status' > /dev/acd-debug; timeout 0.1 cat /dev/acd-debug");
     return 0;
 }
diff --git a/gps/brcm/prebuilt/Android.bp b/gps/brcm/prebuilt/Android.bp
index fce0344..d12f897 100644
--- a/gps/brcm/prebuilt/Android.bp
+++ b/gps/brcm/prebuilt/Android.bp
@@ -46,9 +46,7 @@
                 "liblog",
                 "libutils",
                 "libhardware",
-                "libhidlbase",
                 "libbinder_ndk",
-                "android.hardware.gnss@2.1",
                 "android.hardware.gnss-V3-ndk",
                 "libc++",
                 "libc",
diff --git a/gps/brcm/prebuilt/SensorHub_A0.patch b/gps/brcm/prebuilt/SensorHub_A0.patch
index 70ea482..f9e6598 100644
--- a/gps/brcm/prebuilt/SensorHub_A0.patch
+++ b/gps/brcm/prebuilt/SensorHub_A0.patch
@@ -1,9 +1,9 @@
 <FormatVersion=0x00010003>
 
-<Crc=32>
+<Crc=87>
 <BlobLength=161320>
 <AsicVersion=0x004776A0>
-<ChangeList=571192>
+<ChangeList=572940>
 <PatchLevel=0>
 <PostPatchLevel=1>
 <CustomerVersion=None>
@@ -79,7 +79,7 @@
 009102A101F438F703B000BD4170700080BD8900708989
 00805D8A006905800025643A2564095374617274206368
 70704170705461736B0A00000000633A5C77735C626F64
-5F3437373631333534345F3537313139325C637573746F
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 6D63755C64656C69766572795C53656E736F724875625F
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@@ -380,7 +380,7 @@
 46FEF768FF07E002464FF4D1630FF2BC618F2011F4D3F2
 FEF7DDFC04F5A6620A23C2E9000105F0F00006F00F0101
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@@ -517,7 +517,7 @@
 F610B010BD000025643A25640948232568687520756E6B
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-31333534345F3537313139325C637573746F6D6572735C
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 656C69766572795C53656E736F724875625F5032315C73
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@@ -575,8 +575,8 @@
 4B00F1380100910FF2E801FFF71AD903B000BDF07E8A00
 0C53890028878A0039318000C531800025643A25640943
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-34345F3537313139325C637573746F6D6572735C676F6F
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 766572795C53656E736F724875625F5032315C7372635C
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@@ -670,12 +670,12 @@
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@@ -686,7 +686,7 @@
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@@ -696,8 +696,8 @@
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@@ -709,7 +709,7 @@
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 FF00E00024204610BD000025643A2564094F4F4D206174
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@@ -723,8 +723,8 @@
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-640A00633A5C77735C626F645F3437373631333534345F
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+3537323934305C637573746F6D6572735C676F6F676C65
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 705C73657276696365735C646973636F766572792E6300
@@ -751,7 +751,7 @@
 EB0905CDE90445AD230FF2AC118F200FF44AF206B0BDE8
 708370B50446084615461E46FFF7BEFF32462946206800
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-3437373631333534345F3537313139325C637573746F6D
+3437373631333638375F3537323934305C637573746F6D
 6572735C676F6F676C655C503231466C61677461696C6D
 63755C64656C69766572795C53656E736F724875625F50
 32315C7372635C636870705C73657276696365732E6300
@@ -778,8 +778,8 @@
 903E230FF240020FF22C018E2007E001A8009042230FF2
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@@ -838,7 +838,7 @@
 070032BD13460A4601460248007810F4DBB00000145389
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-5C626F645F3437373631333534345F3537313139325C63
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@@ -902,7 +902,7 @@
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@@ -952,8 +952,8 @@
 2003B0F0BD70B50D000446164606D10023002295210FF2
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@@ -1007,8 +1007,8 @@
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@@ -1217,7 +1217,7 @@
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-38B7080099CB91009ACB91002F2F6465706F742F636C69
+0CBE080099CB91009ACB91002F2F6465706F742F636C69
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diff --git a/gps/brcm/prebuilt/SensorHub_DebugBuild_A0.patch b/gps/brcm/prebuilt/SensorHub_DebugBuild_A0.patch
index d9d0e36..92b15bc 100644
--- a/gps/brcm/prebuilt/SensorHub_DebugBuild_A0.patch
+++ b/gps/brcm/prebuilt/SensorHub_DebugBuild_A0.patch
@@ -1,9 +1,9 @@
 <FormatVersion=0x00010003>
 
-<Crc=134>
+<Crc=222>
 <BlobLength=161839>
 <AsicVersion=0x004776A0>
-<ChangeList=571192>
+<ChangeList=572940>
 <PatchLevel=0>
 <PostPatchLevel=1>
 <CustomerVersion=None>
@@ -79,7 +79,7 @@
 009102A101F438F703B000BD4170700080BD8900708989
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@@ -390,7 +390,7 @@
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@@ -526,7 +526,7 @@
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@@ -585,7 +585,7 @@
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@@ -706,7 +706,7 @@
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@@ -848,7 +848,7 @@
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@@ -914,7 +914,7 @@
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 6F724875625F5032315C7372635C636870705C73657276
@@ -965,7 +965,7 @@
 0023002295210FF23000FBF7EFF836B90023002296210F
 F22000FBF7E7F83620FEF78EF9286030B1811D2046FFF7
 99FF36203060012070BD633A5C77735C626F645F343737
-3631333534345F3537313139325C637573746F6D657273
+3631333638375F3537323934305C637573746F6D657273
 5C676F6F676C655C503231466C61677461696C6D63755C
 64656C69766572795C53656E736F724875625F5032315C
 7372635C636870705C636F6D6D6F6E5C676E73735F63F1
@@ -1020,7 +1020,7 @@
 0025643A2564095B25735D204D6561737572656D656E74
 2064617461206576656E74203A206D6561737572656D65
 6E745F636F756E74203D20282564290A000000633A5C77
-735C626F645F3437373631333534345F3537313139325C
+735C626F645F3437373631333638375F3537323934305C
 637573746F6D6572735C676F6F676C655C503231466C61
 677461696C6D63755C64656C69766572795C53656E736F
 724875625F5032315C7372635C636870705C706C617466
@@ -1229,7 +1229,7 @@
 8891FBF0F111FB00F008E0B08838B1A88070BD00291CBF
 F088002800D0A08070BD0B480170704700000948007870
 4700000848017070470000064800787047000001484161
-70470000787B890038B7080099CB91009ACB91002F2F64
+70470000787B89000CBE080099CB91009ACB91002F2F64
 65706F742F636C69656E742F636F72652F72656C2F476F
 6F676C652F5032322F3535343830332F2E2E2E0000007E
 24247E5056542044756D70203A20474C4C207665722E20
diff --git a/gps/brcm/prebuilt/android.hardware.gnss@2.1-service-brcm b/gps/brcm/prebuilt/android.hardware.gnss@2.1-service-brcm
index afda87c..46c3502 100755
--- a/gps/brcm/prebuilt/android.hardware.gnss@2.1-service-brcm
+++ b/gps/brcm/prebuilt/android.hardware.gnss@2.1-service-brcm
Binary files differ
diff --git a/gps/brcm/prebuilt/flp.default.so b/gps/brcm/prebuilt/flp.default.so
index 6ef1101..ae82480 100755
--- a/gps/brcm/prebuilt/flp.default.so
+++ b/gps/brcm/prebuilt/flp.default.so
Binary files differ
diff --git a/gps/brcm/prebuilt/gps.default.so b/gps/brcm/prebuilt/gps.default.so
index 5247f3e..616d840 100755
--- a/gps/brcm/prebuilt/gps.default.so
+++ b/gps/brcm/prebuilt/gps.default.so
Binary files differ
diff --git a/gps/brcm/prebuilt/gpsd b/gps/brcm/prebuilt/gpsd
index 933d6d5..8a7f911 100755
--- a/gps/brcm/prebuilt/gpsd
+++ b/gps/brcm/prebuilt/gpsd
Binary files differ
diff --git a/gps/brcm/prebuilt/lhd b/gps/brcm/prebuilt/lhd
index 4dd6d20..258bf23 100755
--- a/gps/brcm/prebuilt/lhd
+++ b/gps/brcm/prebuilt/lhd
Binary files differ
diff --git a/gps/brcm/prebuilt/scd b/gps/brcm/prebuilt/scd
index d4fc658..cccca1f 100755
--- a/gps/brcm/prebuilt/scd
+++ b/gps/brcm/prebuilt/scd
Binary files differ
diff --git a/sota_app/factoryota.mk b/sota_app/factoryota.mk
new file mode 100644
index 0000000..14ed2b5
--- /dev/null
+++ b/sota_app/factoryota.mk
@@ -0,0 +1,4 @@
+PRODUCT_PACKAGES += \
+    FactoryOtaPrebuilt
+
+SYSTEM_EXT_PRIVATE_SEPOLICY_DIRS += device/google/gs-common/sota_app/sepolicy/system_ext
diff --git a/sota_app/sepolicy/system_ext/factory_ota_app.te b/sota_app/sepolicy/system_ext/factory_ota_app.te
new file mode 100644
index 0000000..f48adeb
--- /dev/null
+++ b/sota_app/sepolicy/system_ext/factory_ota_app.te
@@ -0,0 +1,32 @@
+type factory_ota_app, domain, coredomain;
+
+app_domain(factory_ota_app)
+net_domain(factory_ota_app)
+
+# Write to /data/ota_package for OTA packages.
+# Factory OTA client will download OTA image into ota_package folder and unzip it.
+# Than Update engine could use it to execute OTA process.
+# So Factory OTA client need read / write and create file access right for this folder
+allow factory_ota_app ota_package_file:dir rw_dir_perms;
+allow factory_ota_app ota_package_file:file create_file_perms;
+
+# Properties
+# For write system property persist.*
+set_prop(factory_ota_app, sota_prop);
+
+# Services
+# For get access WiFi manager service and activity service
+allow factory_ota_app app_api_service:service_manager find;
+# Allow Factory OTA to call Update Engine
+binder_call(factory_ota_app, update_engine)
+# Allow Update Engine to call the Factory OTA callback
+binder_call(update_engine, factory_ota_app)
+#For access update engine function
+allow factory_ota_app update_engine_service:service_manager find;
+#For disable NFC wake up device feature
+allow factory_ota_app nfc_service:service_manager find;
+#For get device IMEI
+allow factory_ota_app radio_service:service_manager find;
+
+# For suppress more GPU service sepolicy error log.
+dontaudit factory_ota_app gpuservice:binder call;
diff --git a/sota_app/sepolicy/system_ext/property_contexts b/sota_app/sepolicy/system_ext/property_contexts
new file mode 100644
index 0000000..deb34dc
--- /dev/null
+++ b/sota_app/sepolicy/system_ext/property_contexts
@@ -0,0 +1,5 @@
+ro.boot.sota                                    u:object_r:sota_prop:s0
+ro.boot.sota.                                   u:object_r:sota_prop:s0
+persist.vendor.factoryota.                      u:object_r:sota_prop:s0
+persist.vendor.radio.bootwithlpm                u:object_r:sota_prop:s0
+persist.vendor.nfc.factoryota.                  u:object_r:sota_prop:s0
diff --git a/sota_app/sepolicy/system_ext/seapp_contexts b/sota_app/sepolicy/system_ext/seapp_contexts
new file mode 100644
index 0000000..673f451
--- /dev/null
+++ b/sota_app/sepolicy/system_ext/seapp_contexts
@@ -0,0 +1,2 @@
+# Factory OTA
+user=_app seinfo=platform name=com.google.android.factoryota domain=factory_ota_app levelFrom=all
diff --git a/sota_app/sepolicy/system_ext/vendor_init.te b/sota_app/sepolicy/system_ext/vendor_init.te
new file mode 100644
index 0000000..11191e3
--- /dev/null
+++ b/sota_app/sepolicy/system_ext/vendor_init.te
@@ -0,0 +1 @@
+set_prop(vendor_init, sota_prop)