The device will begin formatting its internal partitions. Once the process is complete, you will be redirected back to the main Recovery menu. Highlight and press the Power button .
: Once in recovery mode, users follow on-screen prompts or use specific key combinations to select the hard reset option. This action initiates the restoration process. How to unlock SUNMI V2 Pro - HardReset.info
Do you have access to the for this terminal? The device will begin formatting its internal partitions
Forgotten security credentials, persistent software errors, sluggish performance, or before selling the device. persistent software errors
If after factory reset the device asks for a previously synced Google account:
If the above methods don't work for you, or you're not comfortable with the process, you can contact the manufacturer for assistance.