Lack of incall audio in GSI (Galaxy A11)

Hello! I have Galaxy SM-A115F (on SDM450) and I’ve built Android kernel from source. Now I’m trying to get fully working Android on my phone (something different from stock firmware, because I have no sources of it). Phh-Treble and LineageOS both boot, but there’s no in-call audio (people don’t hear me and I don’t hear them). I suspect thats because of some Qualcomm binaries or libraries, but I’ve no idea why. Vendor partition remains untouched.

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Hello,
Is this issue reproduceable in non-Samsung devices like Pixel? Have you checked the issue in any other Samsung devices other than SM-A115F? If so, please share your status.

A similar problem on the device SM-M115F (Galaxy M11)

No, this issue is specific for Samsung devices with Android 10 or 11 stock firmware (A11, M11, A02s, etc.)

Hi my device is Galaxy A11. Please help how to install gsi rom on my phone please help me
Thank