Total loss of communication between the touch digitizer, physical side buttons, and the Android OS.
If Bluetooth or Settings crash, you might be able to extract those apps from a donor firmware of similar hardware and reinstall them manually using ADB or a root file manager. alps-mp-o1.mp5 update
A factory reset from the Android settings menu may resolve software glitches like Bluetooth crashes or frozen apps. Total loss of communication between the touch digitizer,
Hizpo ad907001 (MT/AC8227L) и аналоги под другими брендами physical side buttons
Write everything down before attempting any changes.
: "o1" usually refers to the Oreo (Android 8.1) base that has been incrementally updated or backported to newer Android versions (like Android 10 or 11) by third-party manufacturers. : It is extremely common in Android Head Units (car stereos) from brands like How to Update