: Any "unlock" via factory reset will permanently delete your transaction history and local app data. Ensure your cloud-based POS data is synced before proceeding. How to activate Kiosk Mode on the Sunmi devices

You will need a Windows, Mac, or Linux computer to run the unlocking tools. The two most important tools you need to install are:

: Press and hold the Power button for a few seconds.

Do you have access to a and the necessary connection cables?

Use the volume keys to navigate to "Wipe data/factory reset" and confirm with the Power button.

The software will detect the MTK interface and flash the clean operating system, entirely erasing the previous vendor's MDM constraints. Post-Unlock Recommendations

If you have forgotten your PIN or password and cannot access the settings menu, you must perform a hardware factory reset. : Turn off the device completely.

I can provide custom command lines or the exact step-by-step troubleshooting path for your situation. Share public link

Navigate to the main Android settings menu on your Sunmi T2 screen.

Place your unlocked POS terminal on a secure, firewalled VLAN network separate from public guest Wi-Fi to keep transactional data safe.

I can provide specific terminal commands or files depending on your exact setup.

Locate the primary and Volume Down Button on your device. On standard Sunmi T2 setups, these tactile buttons are built directly into the rear or side bezel framework of the main operator display panel. Step 2: Power Cycle

Many Sunmi T2 devices are locked into a specific app (Kiosk Mode) by software providers.

Click , power off the Sunmi T2, and connect it to the PC while holding the Volume Down button.

To "unlock" the terminal for sideloading apps or debugging, follow these steps: Navigate to > About device . Locate the Build number and tap it 7 times rapidly.

: Look for an option that says "Exit Kiosk" on the screen and select it. 3. Factory Reset from Settings