: Press and hold the Volume Up and Power buttons simultaneously.
Method 2: Performing a Factory Hard Reset (Bypassing Basic Admin Locks)
Open your computer's terminal or command prompt and type: adb install your_app.apk Method 3: Hard Factory Reset (Hardware Keys)
Bypassing system restrictions to install a custom OS (rarely recommended for POS). Method 1: The Hard Factory Reset (Standard Unlock)
Instead of discarding old hardware when changing software providers, you can simply wipe and repurpose the device. Essential Prerequisites Before You Begin
A standard Android PIN, pattern, or password set by a local user.
Unlocking a POS terminal carries inherent risks, including data loss or bricking the device. Prepare the following items before proceeding:
If you have forgotten the system PIN and cannot access settings, a factory reset is the primary solution. Warning: This will erase all data on the device. Enter Kiosk Exit Menu : Hold the power button and select "Exit Kiosk". Access Settings : From the Android home screen, open the app (gear icon). Perform Reset Navigate to Reset Options Backup & Reset Erase all data (factory reset) Reset Tablet Erase Everything Re-activation
Use the volume keys to navigate the black system menu and select . Press the power button to confirm. Once completed, select Reboot System Now .
Unlocking a POS terminal carries risks, including voiding warranties or bricking the device if done incorrectly. Ensure you have prepared the following before attempting any modifications:
5.3. Method C — Fastboot / Bootloader Unlock + Flash Stock Firmware Use when bootloader is accessible and you have appropriate firmware.
Note: If Developer Options are greyed out or password-protected, the terminal is locked by an enterprise Mobile Device Management (MDM) profile. You must perform a hardware factory reset (detailed below) before attempting ADB unlocking. Step 2: Set Up ADB on Your PC
: Press and hold the Volume Up and Power buttons simultaneously.
Method 2: Performing a Factory Hard Reset (Bypassing Basic Admin Locks)
Open your computer's terminal or command prompt and type: adb install your_app.apk Method 3: Hard Factory Reset (Hardware Keys)
Bypassing system restrictions to install a custom OS (rarely recommended for POS). Method 1: The Hard Factory Reset (Standard Unlock) unlock sunmi t2
Instead of discarding old hardware when changing software providers, you can simply wipe and repurpose the device. Essential Prerequisites Before You Begin
A standard Android PIN, pattern, or password set by a local user.
Unlocking a POS terminal carries inherent risks, including data loss or bricking the device. Prepare the following items before proceeding: : Press and hold the Volume Up and
If you have forgotten the system PIN and cannot access settings, a factory reset is the primary solution. Warning: This will erase all data on the device. Enter Kiosk Exit Menu : Hold the power button and select "Exit Kiosk". Access Settings : From the Android home screen, open the app (gear icon). Perform Reset Navigate to Reset Options Backup & Reset Erase all data (factory reset) Reset Tablet Erase Everything Re-activation
Use the volume keys to navigate the black system menu and select . Press the power button to confirm. Once completed, select Reboot System Now .
Unlocking a POS terminal carries risks, including voiding warranties or bricking the device if done incorrectly. Ensure you have prepared the following before attempting any modifications: Essential Prerequisites Before You Begin A standard Android
5.3. Method C — Fastboot / Bootloader Unlock + Flash Stock Firmware Use when bootloader is accessible and you have appropriate firmware.
Note: If Developer Options are greyed out or password-protected, the terminal is locked by an enterprise Mobile Device Management (MDM) profile. You must perform a hardware factory reset (detailed below) before attempting ADB unlocking. Step 2: Set Up ADB on Your PC