diff --git a/default-permissions.xml b/default-permissions.xml
index 81624d3c..50860fed 100644
--- a/default-permissions.xml
+++ b/default-permissions.xml
@@ -66,6 +66,8 @@
     <exception package="com.google.android.apps.scone">
         <!-- Used to call ActivityTransition API for Smart PNO -->
         <permission name="android.permission.ACTIVITY_RECOGNITION" fixed="false"/>
+        <!-- Notifications -->
+        <permission name="android.permission.POST_NOTIFICATIONS" fixed="false"/>
     </exception>
 
     <exception
diff --git a/device.mk b/device.mk
index 06a76a44..dc125d98 100644
--- a/device.mk
+++ b/device.mk
@@ -125,7 +125,7 @@ PRODUCT_PRODUCT_PROPERTIES += \
 
 # Carrier configuration default location
 PRODUCT_PROPERTY_OVERRIDES += \
-	persist.vendor.radio.config.carrier_config_dir=/mnt/vendor/modem_img/images/default/confpack
+	persist.vendor.radio.config.carrier_config_dir=/vendor/firmware/carrierconfig
 
 # Set the Bluetooth Class of Device
 # Service Field: 0x5A -> 90
@@ -1191,8 +1191,8 @@ PRODUCT_PACKAGES_DEBUG += BatteryStatsViewer
 DEVICE_PRODUCT_COMPATIBILITY_MATRIX_FILE := device/google/gs101/device_framework_matrix_product.xml
 
 # Preopt SystemUI
-PRODUCT_DEXPREOPT_SPEED_APPS += \
-    SystemUIGoogle
+PRODUCT_DEXPREOPT_SPEED_APPS += SystemUIGoogle  # For internal
+PRODUCT_DEXPREOPT_SPEED_APPS += SystemUI  # For AOSP
 
 # Compile SystemUI on device with `speed`.
 PRODUCT_PROPERTY_OVERRIDES += \
diff --git a/device_framework_matrix_product.xml b/device_framework_matrix_product.xml
index 7b191128..1f93fb52 100644
--- a/device_framework_matrix_product.xml
+++ b/device_framework_matrix_product.xml
@@ -25,7 +25,7 @@
         </interface>
     </hal>
     <hal format="hidl" optional="true">
-        <name>com.fingerprints35.extension</name>
+        <name>com.fingerprints42.extension</name>
         <version>1.0</version>
         <interface>
             <name>IFingerprintAuthenticator</name>
@@ -102,6 +102,14 @@
             <instance>default</instance>
         </interface>
     </hal>
+    <hal format="hidl" optional="true">
+        <name>hardware.google.bluetooth.ext</name>
+        <version>1.0</version>
+        <interface>
+            <name>IBluetoothExt</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
     <hal format="hidl" optional="true">
         <name>hardware.google.bluetooth.ccc</name>
         <transport>hwbinder</transport>
diff --git a/fingerprint/fpc1540/sw42/fingerprint_aidl_config.mk b/fingerprint/fpc1540/sw42/fingerprint_aidl_config.mk
new file mode 100644
index 00000000..fe8cf8ba
--- /dev/null
+++ b/fingerprint/fpc1540/sw42/fingerprint_aidl_config.mk
@@ -0,0 +1,28 @@
+# ----------------------------
+# Add feature flags below
+# ----------------------------
+FPC_CONFIG_BUILD_VERSION=42
+FPC_CONFIG_GOOGLE_CUSTOMIZE=1
+FPC_CONFIG_HAL_SHARED_LIB=1
+FPC_CONFIG_MAX_NR_TEMPLATES=5
+FPC_CONFIG_NO_TU=0
+FPC_CONFIG_SENSE_TOUCH_CALIBRATION_PATH=/data/fpc/calibration_sense_touch.dat
+FPC_CONFIG_SENSORTEST=1
+FPC_CONFIG_TA_FS=1
+FPC_DEFECTIVE_PIXEL_LIST_SIZE=5000
+FPC_OTP_DECODE_ERRORS_IGNORE=1
+FPC_SENSOR_SDK_LOG_LEVEL=3
+FPC_TEE_RUNTIME=TRUSTY
+LIBFPC_NAME=libfpcmulti_debug.a
+FPC_CONFIG_DEBUG=1
+FPC_CONFIG_ENGINEERING=1
+FPC_CONFIG_GOOGLE_RELEASE=1
+FPC_CONFIG_TRUSTY_CLEAN_TA=1
+
+GOOGLE_CONFIG_PERFORMANCE=1
+
+# Enable Suez
+$(call soong_config_set,fp_hal_feature,biometric_suez_support,true)
+
+# Must add below method to each project's device.mk to show sensorLocation
+#$(call soong_config_set,fp_hal_feature,pixel_product, project_XX)
diff --git a/fingerprint/fpc1540/sw42/fingerprint_hidl_config_factory.mk b/fingerprint/fpc1540/sw42/fingerprint_hidl_config_factory.mk
new file mode 100644
index 00000000..4b2567d8
--- /dev/null
+++ b/fingerprint/fpc1540/sw42/fingerprint_hidl_config_factory.mk
@@ -0,0 +1,18 @@
+# ----------------------------
+# Add feature flags below
+# ----------------------------
+FPC_CONFIG_BUILD_VERSION=42
+FPC_CONFIG_GOOGLE_CUSTOMIZE=1
+FPC_CONFIG_MAX_NR_TEMPLATES=5
+FPC_CONFIG_NO_TU=0
+FPC_CONFIG_SENSE_TOUCH_CALIBRATION_PATH=/data/fpc/calibration_sense_touch.dat
+FPC_CONFIG_SENSORTEST=1
+FPC_CONFIG_TA_FS=1
+FPC_DEFECTIVE_PIXEL_LIST_SIZE=5000
+FPC_OTP_DECODE_ERRORS_IGNORE=1
+FPC_SENSOR_SDK_LOG_LEVEL=3
+FPC_TEE_RUNTIME=TRUSTY
+LIBFPC_NAME=libfpcmulti_debug.a
+FPC_CONFIG_DEBUG=1
+FPC_CONFIG_ENGINEERING=1
+
diff --git a/fingerprint/fpc1540/sw42/fpc1540.mk b/fingerprint/fpc1540/sw42/fpc1540.mk
new file mode 100644
index 00000000..77705388
--- /dev/null
+++ b/fingerprint/fpc1540/sw42/fpc1540.mk
@@ -0,0 +1,30 @@
+# Factory build, use HIDL hal & extension so that we can use Test tool
+ifneq ( ,$(findstring factory, $(TARGET_PRODUCT)))
+include device/google/gs101/fingerprint/fpc1540/sw42/fingerprint_hidl_config_factory.mk
+PRODUCT_PACKAGES += \
+    android.hardware.biometrics.fingerprint@2.1-service.fpc \
+    fpc_tee_test\
+    SensorTestTool \
+    ImageTool \
+    ImageCollection \
+    fp_test \
+
+PRODUCT_PACKAGES += \
+    com.fingerprints.extension.xml \
+    com.fingerprints.extension \
+
+PRODUCT_COPY_FILES += \
+    frameworks/native/data/etc/android.hardware.fingerprint.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.fingerprint.xml
+
+else
+# Non facotry build, use fingerprint AIDL version
+include device/google/gs101/fingerprint/fpc1540/sw42/fingerprint_aidl_config.mk
+
+PRODUCT_PACKAGES += \
+    android.hardware.biometrics.fingerprint-service.fpc42 \
+    fingerprint.fpc \
+
+PRODUCT_COPY_FILES += \
+    frameworks/native/data/etc/android.hardware.fingerprint.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.fingerprint.xml
+
+endif
diff --git a/manifest.xml b/manifest.xml
index a5ca7f37..1d59695c 100644
--- a/manifest.xml
+++ b/manifest.xml
@@ -115,6 +115,15 @@
             <instance>default</instance>
         </interface>
     </hal>
+    <hal format="hidl">
+        <name>hardware.google.bluetooth.ext</name>
+        <transport>hwbinder</transport>
+        <version>1.0</version>
+        <interface>
+            <name>IBluetoothExt</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
     <hal format="hidl">
         <name>hardware.google.bluetooth.sar</name>
         <transport>hwbinder</transport>