diff --git a/vendor.prop b/vendor.prop
index 178b9ba..0a78cff 100644
--- a/vendor.prop
+++ b/vendor.prop
@@ -20,19 +20,19 @@ ro.vendor.mtk_audio_ape_support=1
 
 # Bluetooth
 bluetooth.device.class_of_device=90,2,12
-bluetooth.profile.a2dp.source.enabled=true
-bluetooth.profile.avrcp.target.enabled=true
-bluetooth.profile.bas.client.enabled=true
-bluetooth.profile.gatt.enabled=true
-bluetooth.profile.hfp.ag.enabled=true
-bluetooth.profile.hid.device.enabled=true
-bluetooth.profile.hid.host.enabled=true
-bluetooth.profile.map.server.enabled=true
-bluetooth.profile.opp.enabled=true
-bluetooth.profile.pan.nap.enabled=true
-bluetooth.profile.pan.panu.enabled=true
-bluetooth.profile.pbap.server.enabled=true
-bluetooth.profile.sap.server.enabled=true
+bluetooth.profile.a2dp.source.enabled?=true
+bluetooth.profile.avrcp.target.enabled?=true
+bluetooth.profile.bas.client.enabled?=true
+bluetooth.profile.gatt.enabled?=true
+bluetooth.profile.hfp.ag.enabled?=true
+bluetooth.profile.hid.device.enabled?=true
+bluetooth.profile.hid.host.enabled?=true
+bluetooth.profile.map.server.enabled?=true
+bluetooth.profile.opp.enabled?=true
+bluetooth.profile.pan.nap.enabled?=true
+bluetooth.profile.pan.panu.enabled?=true
+bluetooth.profile.pbap.server.enabled?=true
+bluetooth.profile.sap.server.enabled?=true
 ro.vendor.mtk.bt_sap_enable=true
 
 # Camera