If that fails, go to Settings → Backup & Reset → Factory reset with “Erase all data”.
He typed the command sequence, his fingers flying over the mechanical keyboard. > SYSTEM DETECTED: R29_ARCH > CHECKING PARTITION: LP3_LOCKED r29 mxq lp3 v23 firmware top
The R29 MXQ LP3 V23 firmware addresses several issues, including: If that fails, go to Settings → Backup
The screen went black. Then, text appeared. Not the standard boot logo of the generic manufacturer, but crisp, white letters against a void. If that fails