Use the Volume buttons to navigate to "Wipe data/factory reset" and press the Power button to select it.
You need a Wi-Fi connection and a Bluetooth keyboard for this trick. how to unlock sunmi v2 pro hardresetinfo verified
After the reset, the device asked for its original Google credentials—a security feature called Factory Reset Protection (FRP). Since Elias remembered his Gmail, he simply: Use the Volume buttons to navigate to "Wipe