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  1. Thread Author  Thread Author    #1  

    Unhappy Unlock code not working in Galaxy S3 Android 4.4.2

    I searched the Internet but could not find the answer for my question and I think here is the best place for getting the answer.
    My “Samsung Galaxy S3 SGH-T999V” is locked to Wind Mobile ( Carrier ) in Canada by ordering & paying 30 $ +Tax I got the code from WIND web site but the unlock code did not work. During the past two month I called the company several times , they just told me “It takes times and we have to check the code with your phone manufacturer !”. I called Samsung, they answered they did not lock it and Wind company locked the phone and they can not do any thing about it .
    I went to some mobile shops they told ,the phone is upgraded to Android version 4.4.2( Kit Kat) so it is the reason.
    What do you think ?Is it the really the reason ?Do you think third party unlock code will work? Do I have to Root or Downgrade the phone?
  2. #2  

    Default Re: Unlock code not working in Galaxy S3 Android 4.4.2

    Hey rezat,
    I am experiencing the same issue with the Galaxy S3 SGH-I747 from Fido in Canada.
    Fido admitted to me that they can not offer any solution for this problem.
    Did you find a different way to unlock your device?
  3. #3  

    Default Re: Unlock code not working in Galaxy S3 Android 4.4.2

    Hi everyone,

    I was able to unlock my Fido SGH-I747M running Android 4.4.2 KitKat with the unlock code provided by Fido.
    However an error message was displayed upon entering the unlock code in the appearing prompt when a foreign SIM Card is inserted.

    In order to successfully unlock the phone, this had to be done firstly:
    1. Make sure that wifi and flight mode is turned off
    2. Go to the Dial pad and dial *#197328640#
    3. Click on number [1] UMTS > [1] Debug screen > [8] Phone Control > [6] NETWORK LOCK
    4. You will see 3 options
    5. Please click on number [1] Perso Sha256 INFO, the screen will change slightly
    6. Please hit the MENU button then when the menu pops up please carefully hit BACK 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 the phone on the screen by holding the power button and click RESTART
    9. Reattempt to enter the code
    10. Now the phone is supposed to accept the unlock code.

    These instructions have been published on the ebay by the member jmsobrino.
    I hope this method will resolve your phone's issue as well
    Thanked by:

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