Have you flashed a custom ROM on your A20? Share your experience below or in the forums. Happy flashing!
Long-press on the warning screen to enter the bootloader unlock menu, then confirm your choice. Your phone will factory reset. Step 2: Flash TWRP Recovery a20 custom rom
"GPS works, fingerprint works, no random reboots" Have you flashed a custom ROM on your A20
Open on your PC. Click on the AP slot and select your downloaded TWRP file. a20 custom rom
Connect your phone to the PC and transfer the downloaded Custom ROM zip file to your phone's internal storage.