[GUIDE] Fix Bluetooth Audio & aptX & Bluetooth in call in GSI ROM

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Apr 27, 2022

Tested on 2 Qualcomm devices with phh android 12 based gsi.

For now, I can't enable A2DP and fix Bluetooth in call at the same time. Feel free to tell me if you find a way.


This guide provide workarounds for many Bluetooth problems, such as:
1. Can't open Bluetooth
2. Can't connect to Bluetooth devices
3. Can't use Bluetooth audio
4. Can't use Bluetooth in call


After finished the following steps, your device will have both Bluetooth audio (SBC, AAC, Aptx, AptxHD ,LDAC) and Bluetooth in call working.
1. remove /vendor/overlay/BluetoothResCommon.apk (if presented) (if presented and deleted, wipe Data and reinstall your gsi in case it didn't take effect)
2. remove /vendor/etc/a2dp_audio_policy_configuration.xml
3. Enable "Force-disable A2DP offload" in phh settings
4. Enable "use alternate audio policy" in phh settings if you face any problem in sound and/or volume adjustment (if you got multi ones in different feature category, try different combination until it behave normally)(may require reboot)
5. flash Magisk module "aptx-HD-magisk-10_arm.arm64.zip" to fix aptx support

Now everything mentioned above should work.


Thanks multiwirth for providing the Magisk module. Original post : https://forum.xda-developers.com/t/...oid-12-11-10-9-8-lineageos-18-1-19-0.4081693/
Thanks SrCDA and Craftingmod for some solutions. Original post : https://forum.xda-developers.com/t/guide-fix-bluetooth-audio-a2dp-aptx-in-any-gsi-rom.3950938/
Thanks many people on XDA and Github for some solutions.
Thanks anyone who read the thread and understand my poor English:ROFLMAO:.
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