How to Unlock Samsung SGH-A737

June 10th, 2008 by Eric

Samsung A737On the AT&T Network, to unlock the Samsung A737:

  • Power on without SIM
  • Type in #7465625*638*Unlock code# (8 digit unlock code*)
  • Device should say: Network Lock Deactivated
  • Phone may automatically reboot

*The 8 digit code can be obtained by calling AT&T Technical Support and given the representative the IMEI number. In exchange they will give you the Subsidy Unlock Code.

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  • dennis67
    Hi I have the PUK code how do I use this to unlock the phone wihtout having the actual unlock number?

    thanks
  • mobileslate
    dennis67: The PUK is for the SIM card, not the device. The instructions provided here is to Subsidy Unlock the Device.
  • hans
    i dont hae service with at&t but i want to unlock the phone is it possible?
  • mobileslate
    hans: You can go online and look for a subsidy unlock code site. You will have to pay a fee to obtain the code.
  • concrete6
    Eric, do u have the code to unlock the Samsung A737?
  • mobileslate
    concrete6: I do not provide codes to Subsidy Unlock devices, I only provide instructions. This is because there is no universal subsidy unlock code for each device.
  • CH
    Thanks for the help unlocking my phone! :)
  • cliffwilson
    How would I go about enabling my Samsung Exclaim to install .jad or .jar files? Is there a code for this and would I need my MSL to do this?
  • mobileslate
    cliffwilson: You can install either by a cable (USB) or OTA (over-the-air) download. There should not be a need to unlock the phone to do this.
  • DXVLD
    What number do I call to get to the AT&T technical support number? Thanks.
  • mobileslate
    DXVLD: If you are using an AT&T mobile phone, you can dial 611. Otherwise, you can go online to: http://wireless.att.com and look for the AT&T Customer Support number online.
  • jim
    Well, my account with at&t has been closed for a few days, so asking them is not possible. I am awaiting for a response back from samsung as to whether or not they can help me, too, since they made my phone. Any other ideas? I suspect that I'll have to pay to 'unfreeze' my phone and then pay again for an 'unlock' code, right? And thanks for the help!
  • jim: Samsung most likely will not provide you with the Subsidy Unlock Code. It might be best to investigate an online service.
  • ferenc
    Thanks!
    I got the message all right, hope it will work for my wife in Europe.
    it looks like at&t tech gave me the correct code but bad instruction.
    they said: enter #0111*unlock_code# which didn't seem to work (no message or automatic power cycle).

    I wonder why would they do that?
  • ferenc: I know that Customer Service can sometimes provide inconsistent support to your problems. I hope it all works out.
  • jim
    AT&T; couldn't help me get my phone unlocked. I gave them my imei # and they gave me the code to type in in sequence....#7465625*638*xxxxxxxx# and my deactivate failed and it is now on phone freeze. I received my sgh a737 in the u.s., I am now in germany for a few years and want to replace my US sim card with a sim card that gives me a german number. But my phone won't unlock now. Have any ideas?
  • jim: You can try and contact AT&T again and tell them that you received the incorrect unlock code. Alternatively, you can find an online Subsidy Unlock service and get the code that way.
  • christine
    eric, my husband and I have confiscated our son's phone (samsung A737) but he has it locked. Is there a way to unlock it easily?
  • christine: It sounds like he locked the device, not the subsidy part. The easiest way is to ask him for the 4 digit unlock code.
  • joshua
    I just called and even told them that I bought the phone off a third party and they gave me the unlock code and then even gave me the code that is at the top of this page and stayed on the line till I had it all deactivated since she said there are two ways and the one at the top is one of them aparently but in any rate that is the one that worked thank you very much....
  • joshua
    will i get free internet if i do this?
  • joshua: Subsidy Unlock means that you are free to choose any mobile operator for service, provided that it uses the same radio technology. There are no free services by performing a Subsidy Unlock on a device.
  • Dorian
    What if I have an amount overdue with AT&T (owe them $150.00) will they still provide me the subsidy unlock code and will I still be able to obtain service through T-Mobile with this phone? The AT&T account was not under my name, so it does NOT show under my credit report. Thanks.
  • Dorian: In your case, I'm not sure how they handle this as I'm unfamiliar with how your Balance effects the Subsidy Unlock process.
  • Ben
    Hi Eric, great guide. I just have a few questions.

    I recently got the Samsung a737 - my first phone.
    What does unlocking my phone do? What are the advantages? What are the disadvantages?
    How do I go about getting the 8 digit unlock code? What do I say to get it?

    I also have Media Net blocked on my phone - my parents don't want me overcharging our bill - will unlocking my phone be a work around? Can I get free internet by unlocking the phone? (If yes, is this a fail-safe method - will it be free, or will AT&T pick up on this and charge me?)

    Thanks!
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