diff --git a/ttp/system.prop b/ttp/system.prop
index 2c91a70..305d362 100644
--- a/ttp/system.prop
+++ b/ttp/system.prop
@@ -2,4 +2,5 @@
 persist.bluetooth.bluetooth_audio_hal.disabled=true
 persist.sys.bt.unsupport.features=00000000
 persist.sys.bt.unsupport.states=00000000
-persist.sys.bt.unsupport.stdfeatures=000001
\ No newline at end of file
+persist.sys.bt.unsupport.stdfeatures=000001
+qemu.hw.mainkeys=1
\ No newline at end of file
diff --git a/ttp/titan_pocket/BoardConfig.mk b/ttp/titan_pocket/BoardConfig.mk
index cf54c2d..b23c667 100644
--- a/ttp/titan_pocket/BoardConfig.mk
+++ b/ttp/titan_pocket/BoardConfig.mk
@@ -19,6 +19,8 @@ BOARD_ROOT_EXTRA_SYMLINKS += /vendor/lib/dsp:/dsp
 # no longer has QCOM-specific directories under /.
 BOARD_SEPOLICY_DIRS += build/make/target/board/generic_arm64/sepolicy
 
+TARGET_SYSTEM_PROP := device/wephone/ttp/system.prop $(TARGET_SYSTEM_PROP)
+
 ifeq ($(BOARD_SYSTEMIMAGE_PARTITION_RESERVED_SIZE),)
 BOARD_SYSTEMIMAGE_PARTITION_SIZE := 2147483648
 else