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How To Unlock Samsung B9120

To start unlocking Samsung B9120, please read every step carefully and your Samsung device will be unlocked in minutes.

These are instructions with fewer details. If you prefer instructions with pictures, please skip this guide and download the PDF version here:

  1. Shut down your PC’s firewall and antivirus. Connect to the Internet with a standard high speed connection and not a wireless modem, a VPN, or a Proxy. Unlock at home and not at a company.

  2. Download the unlock software and install all items.

  3. Make a backup of all your data because unlocking will wipe the device!

  4. If you have the software Samsung Kies or PC Studio installed, uninstall it from your PC. Reboot computer.

  5. Insert original SIM and turn phone on. If you don’t have one, don’t insert any. In case you see the “Phone Freeze” error, don’t use any SIM either.

  6. On your phone, make sure Bluetooth is turned off. Increase screen time out to the maximum if available. 

  7. On your phone, turn on USB Debugging: Settings > Applications > Development > USB debugging and checkmark the box. On some phones, the path may be Settings > Programs > Development > USB debugging or Settings > Developer options > USB debugging.

  8. Connect phone to PC. Select Kies Mode in case the phone gives you the option to do that.

  9. Launch GalaxyUnlocker software on your PC. Enter your username and password and connect (if you don’t have one, buy it here).

  10. Press the Rescan button. If the unlock software gives you the error that ports have not been set correctly or if no Android modem is detected, download the PDF guide above and go to step 10 at the end of the document to see how to set ports correctly.

  11. Click Read Unlock Codes, write down the unlock code, disconnect the phone from PC and insert non-original SIM card (borrow one if you don’t have one). Enter unlock code. If the phone does not allow you to enter a code or if after entering the code the phone still asks for the unlock code, then the service provider has blocked the feature. In that case, contact us and we will help you install non-branded firmware, which allows entering the code. Contact us at

  12. Your Samsung B9120 is now unlocked.


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