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Windows Central Question
how do I unlock an AT&T lumia 640 windows phone?
need to unlock a lumia 640 so that I can use net10 service
need to unlock a lumia 640 so that I can use net10 service
If you buy the AT&T Lumia 640 brand new, remove the SIM that came with the phone and don't even turn the phone on until you request an unlock code from AT&T. Google "unlock AT&T phone" and you will find AT&T's device unlocking request website. As long as you are not an AT&T customer right now, select the box that says non AT&T customer. Enter the IMEI (on the phone package) your name and email address. They will send you the unlock code in about 24 hours during regular week days. Once you get the code, Insert a non AT&T SIM and turn on the phone. The setup will begin and then the phone will ask for the unlock code. It is 20 digits. Enter the code then hit enter. Once it says code accepted, turn the phone off and then back on. You are now unlocked.
I can confirm for sure that this works because AT&T has sent me the unlock code for my phone. Easy as pie and free.
The code comes with the congratulations and instructions email. It is a 20 digit string of numbers. Carefully check the email again. I don't think you can resubmit for another code as there is only one code for a given IMEI. A duplicate request may be rejected. There is a also a request number that was emailed to you. Contact customer support and tell them you did not receive the code and give them the request number.So I followedd the directions to a T. They sent me an email congratulating me on the approval. They sent instructions on how to unlock but never sent me the code!!!!! I resubmitted hoping this time they remember to send me the code, if not Ill have no choice but to return it.
Maybe I need to be patient for the code? When did ATT send you your code, before or after the email with instructions?
It should work as long as you don't turn the phone on before requesting an unlock. I think I requested an unlock just after I received it.Hi, i?m planning on buying one at bestbuy, do you know if this unlocking process you wrote works with phones you?ve recently bought? or do I have to wait the sixth months of service to request the code *sorry for my english*
Hi, i?m planning on buying one at bestbuy, do you know if this unlocking process you wrote works with phones you?ve recently bought? or do I have to wait the sixth months of service to request the code *sorry for my english*
I got the above message when I submitted for a code on a phone I had active on my personal account. I resubmitted as a non-account holder, and had the code in minutes.
Check to make sure that you have selected non-ATT account holder. I have no idea what that is, but that actually went that way for me on two personal phones these past few days.