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FAQ: How to Unlock Samsung Galaxy S3


UNLOCK INSTRUCTIONS & TIPS FOR SAMSUNG GALAXY S3


How to SIM unlock Samsung cell phones
How to SIM unlock Samsung Galaxy S3 phone

How to Unlock the Samsung Galaxy S3

The method:

NOTE: Make sure that Samsung Galaxy S3 PROMPTS for the code with a NON accepted sim card and that your IMEI is correct by dialing *#06#.

 

  1. Go to the Dial pad and dial *#197328640# .
  2. Please click on number [1] UMTS > [1] Debugging screen > [8] Phone Control > [6] NETWORK LOCK.
  3. You will see 3 options.
  4. Please click on number [1] Perso Sha256 INFO, the screen will change slightly.
  5. Please hit the MENU button then when the menu pops up please carefully hit BACK to return to the previous screen.
  6. Next Please click on number [2] Perso Sha256 ON, the screen will change again to a one line message.
  7. Restart Samsung Galaxy S3 on the screen by holding the power button and click RESTART.
  8. When Samsung Galaxy S3 prompts for the unlock code, simply enter the unlock code provided to you.
  9. Your Samsung Galaxy S3 is now permanently unlocked!

 

 

Update 24 August 2013: If you trouble to enter code and/or if code is not accepted, then please follow the instructions below :

NOTE: Make sure that Samsung Galaxy S3 PROMPTS for the code with a NON accepted SIM Card and that your IMEI is correct by dialing *#06#.

 

  1. Go to the Dial pad and dial *#197328640# .
  2. Please click on number [1] UMTS > [1] Debugging screen > [8] Phone Control > [6] NETWORK LOCK.
  3. You will see 3 options.
  4. Please click on number [1] Perso Sha256 INFO, the screen will change slightly.
  5. Please hit the MENU button then when the menu pops up please carefully hit BACK .
  6. (to return to the previous screen).
  7. Please click on number [2] Perso Sha256 ON, the screen will change again to a one line message.
  8. Restart Samsung Galaxy S3 on the screen by holding the power button and click RESTART.
  9. When Samsung Galaxy S3 prompts for the unlock code simply enter the unlock code provided to you.
  10. Your Samsung Galaxy S3 is now permanently unlocked!

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