MDM Lock: If the device is branded with delivery apps (e.g., Glovo, Deliveroo), it is likely managed by a custom MDM (Mobile Device Management) system. Resetting may not remove this restriction.

If you are locked out of the device, you can perform a factory reset using the hardware buttons. Note that this will erase all data on the terminal. Power Off: Turn off the device completely.

uses a MediaTek processor) and the official Sunmi V1 global ROM.

Test Point: In some extreme cases, you must open the back cover and short two specific pins (the "Test Point") on the motherboard while connecting it to a PC to force the device into "Preloader" mode for flashing.