1. Rubidad's Avatar
    I hate to ask this, as I know I've seen the info on this forum, but have been unsuccessful finding it after several hours of searching.
    I purchased a GoPhone 640 and AT&T has gracefully sent me a unlock code with instructions that do not work as I do not have a different Sim card to place into the phone
    Someone posted the code that can be entered that then will then open a screen with a number pad to enter the unlock code--something like *#xxxxxxx#. You know, a similar code that will then display the imei number!!
    Can anyone point me in the right direction. Does anyone have a list of such codes that apply to the 640? A phone call to AT&T claims no such code exists....
    07-26-2015 04:32 PM
  2. Harrie-S's Avatar
    Hi Rubidad,

    Is it this where you are locking for?
    nCogNeato and RumoredNow like this.
    07-26-2015 04:50 PM
  3. Rubidad's Avatar
    Yes, yes, yes.....thank you muchly!!!!!
    I kept searching for this in the lumia 640 forum!!
    Harrie-S likes this.
    07-26-2015 05:59 PM
  4. Arunkumar Soundararajan's Avatar
    Hi Rubidad,

    I have a Nokia 640 Go phone with ATT and would like to unlock it

    Can you tell me if the unlock procedure at for Nokia 640, did the one without sim (response provided by troylytle work)?

    Steps that I followed

    1. Put in a non ATT sim
    It directly asked for the unlock code - no choice but to exit

    Next,tried using a ATT sim

    1. Keyed in ##7820#
    2. Prompted to enter the unlock code.
    Where do I get the code from? Can you please explain the process clearly.

    RumoredNow likes this.
    12-01-2015 07:08 PM
  5. RumoredNow's Avatar
    GoPhone works same as ATT since ATT owns them. Check here: http://forums.windowscentral.com/t/3...t-edition.html
    libra89 likes this.
    12-01-2015 09:39 PM

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