Hello Forum,

I'm looking for some assistance with my Pixel 6a. I am running Android Version 16 (Build Number 2025081400). I have been having intermittent issues with my Bluetooth driver, that has also affected the WiFi and Hotspot functionality.

I first noticed the problem when I was using 5G regularly on my phone. Long story short, I am currently somewhere that T-Mobile 5G towers are in short supply. So, my phone would get very hot. This would cause the Bluetooth driver to quit. That was the first condition I noticed the driver would stop functioning, heat. Switching my data to LTE solved the temperature issue, but not the Bluetooth issue.

Flash forward a couple months and various updates abated the problem for a short time. However, now I cannot get the Bluetooth driver to work properly no matter how many updates or restarts I perform. Sometimes, the phone even boot loops for long periods of time (I'm not sure if these issues are correlated or not).

I am attaching a copy of the debug log for reference. I would appreciate any assistance with solving this issue.

type: crash
osVersion: google/bluejay/bluejay:16/BP2A.250705.008.A1/2025081400:user/release-keys
flags: dev options enabled
package: com.android.bluetooth:36, targetSdk 36
sharedUid: android.uid.bluetooth
process: com.android.bluetooth

signal 6 (SIGABRT), code -1 (SI_QUEUE), fault addr --------
Abort message: 'system/gd/hal/hci_backend_aidl.cc:76 operator(): The Bluetooth HAL died.'

backtrace:
      #00 pc 000000000007727c  /apex/com.android.runtime/lib64/bionic/libc.so (abort+156) (BuildId: 31925e1fc9d3c1ed63fabe9cc089b405)
      #01 pc 00000000008c5168  /apex/com.android.art/lib64/libart.so (art::Runtime::Abort(char const*)+472) (BuildId: 229ce263737eb16ebea3e4cc46779c65)
      #02 pc 0000000000015a50  /apex/com.android.art/lib64/libbase.so (android::base::SetAborter(std::__1::function<void (char const*)>&&)::$_0::__invoke(char const*)+80) (BuildId: b73969357868e2b4035dadfbd38b6039)
      #03 pc 0000000000ce54bc  /apex/com.android.bt/lib64/libbluetooth_jni.so (bluetooth::log_internal::vlog(bluetooth::log_internal::Level, char const*, bluetooth::log_internal::source_location, std::__1::basic_string_view<char, std::__1::char_traits<char>>, std::__1::basic_format_args<std::__1::basic_format_context<std::__1::back_insert_iterator<std::__1::__format::__output_buffer<char>>, char>>)+1228) (BuildId: 163e19f99d45623fdc6d318e60001ff3)
      #04 pc 0000000000b64074  /apex/com.android.bt/lib64/libbluetooth_jni.so (bluetooth::log::fatal(std::__1::basic_format_string<char>, bluetooth::log_internal::source_location)+68) (BuildId: 163e19f99d45623fdc6d318e60001ff3)
      #05 pc 0000000000b63f0c  /apex/com.android.bt/lib64/libbluetooth_jni.so (bluetooth::hal::AidlHci::AidlHci(char const*)::'lambda'(void*)::__invoke(void*)+108) (BuildId: 163e19f99d45623fdc6d318e60001ff3)
      #06 pc 00000000000180e0  /system/lib64/libbinder_ndk.so (AIBinder_DeathRecipient::TransferDeathRecipient::binderDied(android::wp<android::IBinder> const&)+64) (BuildId: d6dd7d882753545e326884703ccd2b56)
      #07 pc 0000000000054688  /system/lib64/libbinder.so (android::BpBinder::sendObituary()+376) (BuildId: 308a2fe02a72ae2f66b78f09dbfc2f67)
      #08 pc 00000000000498c0  /system/lib64/libbinder.so (android::IPCThreadState::executeCommand(int)+4304) (BuildId: 308a2fe02a72ae2f66b78f09dbfc2f67)
      #09 pc 0000000000051798  /system/lib64/libbinder.so (android::IPCThreadState::joinThreadPool(bool)+296) (BuildId: 308a2fe02a72ae2f66b78f09dbfc2f67)
      #10 pc 00000000000802f8  /system/lib64/libbinder.so (android::PoolThread::threadLoop()+24) (BuildId: 308a2fe02a72ae2f66b78f09dbfc2f67)
      #11 pc 0000000000017268  /system/lib64/libutils.so (android::Thread::_threadLoop(void*)+248) (BuildId: 99f3031f4dd2aa023b0df870e84ac088)
      #12 pc 0000000000129ddc  /system/lib64/libandroid_runtime.so (android::AndroidRuntime::javaThreadShell(void*)+140) (BuildId: a2eeb8f2b4d919d68335a04cb52ea04e)
      #13 pc 0000000000019994  /system/lib64/libutils.so (libutil_thread_trampoline(void*) (.__uniq.226528677032898775202282855395389835431)+20) (BuildId: 99f3031f4dd2aa023b0df870e84ac088)
      #14 pc 0000000000087c3c  /apex/com.android.runtime/lib64/bionic/libc.so (__pthread_start(void*)+236) (BuildId: 31925e1fc9d3c1ed63fabe9cc089b405)
      #15 pc 000000000007a200  /apex/com.android.runtime/lib64/bionic/libc.so (__start_thread+64) (BuildId: 31925e1fc9d3c1ed63fabe9cc089b405)

Thanks for your time,
Mevik