When the Sunmi logo appears, release the buttons to enter Recovery Mode.
After a hard reset, Android devices often trigger (FRP). If you do not have the original Google account credentials, you may need a bypass method. sunmi v1 unlock
You own the V1 outright (bought second-hand or from a distributor). You want to install your own Android POS app. Unlocking feels like jailbreaking an iPhone you paid for. Ethical position: Ownership includes the right to modify. When the Sunmi logo appears, release the buttons
Try to pull down the notification shade. If successful, tap the gear icon for Settings. When the Sunmi logo appears