Fix issues : Call and SIM issues
4.
Use safe mode
to see if apps you installed are causing the issue and uninstall as needed.
5.
Check if a software update is available
6.
Reset the phone.
Bluetooth device
Check the battery level of Bluetooth device and phone, and charge if necessary.
may disconnect or create noise when the phone or Bluetooth battery are low.
for your phone.
Paired Bluetooth devices
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