Firmware Zte Blade V40 Smart High Quality Info

If you are locked out of your device after flashing because you forgot your Google credentials, you must flash a firmware package that explicitly includes an FRP erase config, or use an authorized servicing tool to clear the persistent config partition.

: Ensure your smartphone is charged to at least 60% to avoid a premature power shutdown during critical partition overwrites. Firmware ZTE Blade V40 Smart

You want to remove root access or restore stock software to unlock the bootloader. Important Preparations Before Flashing If you are locked out of your device