If the OTA update fails, a manual installation is the most reliable fix. You will need a computer and a FAT32-formatted USB drive or MicroSD card.
The device boots into a black screen or the Android recovery menu. Loss of touch screen responsiveness after the reboot. zxdz 01 android update fix
Sometimes an update finishes but breaks the hardware mapping. If the OTA update fails, a manual installation
"Verification Failed" errors during the installation process. Step 1: Perform a Soft Reset and Cache Clear If the OTA update fails