Ensure the device has at least 40% battery. Disconnect from any USB cables.
Use the to navigate up and down through the recovery menu options. Highlight the option labeled "Wipe data/factory reset" . Press the Power button to select and confirm this choice.
: After 30 seconds, a "Forgotten the password" option should appear in the corner of the screen.
Note: A factory reset will erase all internal data, including local transaction logs and custom configurations. Ensure your cloud-based POS software has backed up your data before proceeding. Step-by-Step Recovery Process
: After a hard reset, the device may require the original Google account email and password previously synced to the device to activate it. How to unlock SUNMI V2 Pro - HardReset.info
The SUNMI V2 Pro can be unlocked or factory reset through Recovery Mode by holding the Volume Down and Power buttons, or remotely via Google's Find My Device. These methods erase all data to bypass screen locks, while Forgotten Password options allow for Google account verification. For the full, detailed guide, visit HardReset.info .
A factory reset is not the end of the story. After the reset, your device will likely prompt you for the Google account credentials that were used on the device before the reset. This security feature is called , designed to prevent thieves from using a stolen device.
Locate the and the Volume Up button (on some regional variants of the V2 Pro, this might require a specific combination using the side trigger or volume rockers).
Swipe down from the top of the screen to open the notification shade and tap the , or open the application drawer and tap Settings . Ensure the device has at least 40% battery
Keep holding both buttons until the SUNMI boot logo appears on the screen, then release the but continue holding the Volume Up button.
Navigate to or Factory data reset using the volume keys and press the Power button again to confirm.
Confirm the security prompt. As long as the SUNMI V2 Pro is actively connected to Wi-Fi or a cellular 4G network, it will instantly receive the command, clear the lock screen, and reboot. Method 3: Unlocking via Android Debug Bridge (ADB)
A white test menu will appear. Select “Launch Settings” . Highlight the option labeled "Wipe data/factory reset"
Select or Swipe to completely disable the security lock screen. Troubleshooting Common Unlock Issues Stuck on the Android Logo (Bootloop)
If you legally own the hardware and want to use it as a standard Android POS terminal, you may need to flash the official, unbranded SUNMI stock firmware. This requires specialized tools (like SP Flash Tool for MediaTek chipsets), the correct firmware scatter files, and a USB-C data cable connected to a PC.
Locate your specific SUNMI V2 Pro terminal by its (found on a sticker under the paper roll compartment or on the back of the device).