After 30 minutes, try the force restart method again while the phone is still plugged in. 3. Check for "Screen Hanging" via Incoming Call
If the screen remains black but you suspect a software error, you can try booting into Recovery Mode to wipe the cache or perform a hard reset. How to Fix Black Screen on Android Phone (Best Method) How to fix SYMPHONY Z33 black screen
If the screen remains black after restarting and charging, the operating system may have crashed. You need to boot into . After 30 minutes, try the force restart method