: Press and hold the Volume Down (-) and Power buttons simultaneously.
If you have Google Find My Device enabled, you can reset the PIN or wipe the device from another computer or smartphone. How to unlock SUNMI V2 Pro - HardReset.info
: For some configurations (like those running Kiosk mode), try the default PIN to exit the restricted app and reach settings. Important Note: After a hard reset, you may encounter Factory Reset Protection (FRP) : Press and hold the Volume Down (-)
I forgot my screen lock code for SUNMI V2 Pro - HardReset.info How to unlock SUNMI V2 Pro - HardReset.info