Saturday, October 15, 2011

How to Unlock Samsung Galaxy S Infuse 4G AT&T

The following is a step by step guide to unlock AT&T Samsung Galaxy S (Infuse 4G) to use on All GSM carriers including T-Mobile. I have verified every step on both Android Froyo and it had worked for me. It should work for you too. This is the easiest method i've found and it does not require you type or modify files manually. So it's safest and you will be unlikely to brick the phone.

  1. Check whether your phone is already unlocked or not. Follow the steps here.
  2. If it is not unlocked. Download and install (Windows/Linux Only)
  3. Reboot the phone.
  4. Enable the USB debugging mode on the phone in Settings -> Applications -> Development -> USB Debugging
  5. Connect the phone to PC via USB and run the root.bat file
  6. It should root the phone and output a unlock code in the console. Take down the unlock code.
  7. Now disconnect the phone and insert your Non-AT&T sim card (T-Mobile sim card for example)
  8. Reboot the phone and it should ask for your network unlock code. Input the code obtained from step #6 and confirm.
  9. Now your phone should be unlocked. You can verify whether the phone is unlocked with steps described in #1.

Note: If the anything goes wrong. You may hard reset the AT&T Samsung Galaxy S and start over.

Leave a comment if it works for you!


  1. It is a good methods to unlock samsung mobiles....
    In this way i like to share my experience in unlocking samsung mobiles.......i unlock my samsung mobile through this site , here it gives the easy instructions to get the mobile unlocked.......

  2. contains a virus. Deliberately?

  3. The author claimed that it does not contain a virus. The program uses a kernel exploit to root/unlock which is mistakenly identified by some virus scanner as a virus. Such technique is used by some other virus as well to gain backdoor access to system.

    But please be careful and proceed at your own risk.

  4. Funciona Perfecto, Recuerden que deven activar la despurificaion usb .... lo hise y fue 100% efectivo

    Gracias hermano ...

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