Come across a Samsung Galaxy S 4G? Let's unlock it!

Things to know / Things you'll need...

* Root is required
*  010 Hex editor
* Download a "Terminal Emulator" to your Android phone

Steps to unlock your Android...

1. We'll start with opening the terminal emulator app on the phone

2. Type the following:

cd /dev/block <enter>
su <enter> (at this point your phone will ask for superuser access ALLOW it if you already havent done so)
dd if=/dev/block/bml3 of=/sdcard/bml3.bak <enter>

Go find the file on your SD Card and transfer it to your computer

3. Open 010 Hex Editor

4. In 010 Hex Editor go to the menus above and select VIEW>LINEFEEDS>SELECT CUSTOM>SET YOUR BYTES TO "32" Nothing Less

5. Locate the bml3.bak file you created and transfered to your computer and open it using the editor

6. Using your keyboard select CRTL+F to search for a hex string, when the search window pops up select "Hex byte" in the Type field and then search for the following string below:

"FFFFFFFFFF0100000000" ALL TOGETHER, Then Hit the FIND ALL button to the right, some of you will get 2 results and others up to 10 results on your screen below

7. If you look at your Hex editor there are 3 window panes on the selected line (See Image Below)

e.g 4CCC60h <-- Offset
01 01 01 01 < -- Hex Keys
yyyyyyyyy <- ASCII text where your code is

h.t .t p / / i1201.photobucket . com /albums/ bb359/sanfranx415/unlock.jpg

8. Go through each result from the above search and you will see on the 3rd window pane (as shown on pic above) after the hex keys there is an 8 DIGIT CODE (Write this code Down) this is your unlock code NCK for your phone

Sidenote: THIS 8 DIG CODE SHOULD SHOW ON AT-LEAST ONE MORE RESULT CHECK ALL YOUR RESULTS FROM THE SEARCH ABOVE IF YOU HAVE ANY DOUBTS ( SOME OF YOU WILL HAVE YOUR CODE SHOWN AT-LEAST 2 TIMES AND SOME OF YOU WILL HAVE THE CODE SHOW MORE THAN 4 TIMES BUT YOU SHOULD NOT HAVE THAT MANY RESULTS ) 

**** TO INPUT THE UNLOCK NETWORK CODE DO THE FOLLOWING ****

9. Turn off your phone

10. Insert a foreign SIM card not attached to your current provider (e.g if you have T-mob use an ATT SIM CARD) and turn on your phone

11. You will be prompted to enter a Network Unlock Control Key ( Use the code above that you wrote down and type it in your phone exactly)

12. After entering your NCK please hit Unlock or GO button and you should see a screen that says "network unlock successful" and your phone should go in the main screen after your phone has been unlocked.


THATS IT FOLKS HAVE FUN

* This unlock was created by XDA User sanfranx415

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