Help unlock lumia 635 - Windows Phone 8 Q&A, Help & Troubleshooting

Hello, Im kind of new here but have unlock some of my phones with tutorias from xda forum, this time I need to unlock my lumia 635 that is locked to at&t, and need to unlock it to work with mexican telcel, is there a way to flash it so I can unlock it? thanks !!!

myself i went on att page to request a unlock code and the told me that the phone wasnt compatible with the att network but yet i bought the phone in a att store... any help with that?

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TMobile MDA Unlock, is it permanent?

I recently ordered an unlock code from TMobile UK and have successfully unlocked my phone. The question is whether it remains unlocked forever or will it lock again when I update to a new ROM (official or cooked).
Thanks in advance
or by hard restart
does it remain unlocked after a hard reset?
as far as I know when you ordered a unlock code from T-Mobile then it is a sim unlock number to allow you to use other providers in the phone the CID lock is is still there .Still after a hard reset your unlock from T-moblie you should still be able to use other sim cards from other providers
So basically keep my code safe???
Is that what you are saying? That I will need to unlock again when I update with a new ROM?
If so, I'd better keep a note of the Unlock code!
Thanks to everyone who responded.

HD7 unlock code

I have a T Mobile HTC HD7. Can anyone suggest where I can get it unlocked at a reasonable price?
T-Mobile will give you the code for free, just ask.
I spoke with tmobile about the unlock code. Is it just to unlock to use any sim or will it unlock the phone to use with the new windows phone tool they have out now. I try to use the tool now and it says phone is locked, will this code unlock it. Thanks
bpo157 said:
I spoke with tmobile about the unlock code. Is it just to unlock to use any sim or will it unlock the phone to use with the new windows phone tool they have out now. I try to use the tool now and it says phone is locked, will this code unlock it. Thanks
Click to expand...
Click to collapse
The unlock code from T-mobile will only SIM unlock the phone (you can use with any carrier that has SIM cards).
To dev unlock the phone, you can register on create.msdn.com and use the tool there, or use something like ChevronWP7.

[Q] Lumia 521 unlock

Can someone pls help me with unlocking the lumia 521, it's tmobile locked and requires unlock code to run other sims, is there any way to work around it?
$Nihal$ said:
Can someone pls help me with unlocking the lumia 521, it's tmobile locked and requires unlock code to run other sims, is there any way to work around it?
Click to expand...
Click to collapse
Ask your operator or to specialized service...

[Q] Unlocked Sprint M8 Still can't use AT&T or T-Mobile

I bought a used Sprint M8 Not HK version
And I successfully unlocked the simlock,because I have been to China and I can use the GSM and CDMA network there.
I want to change my carrier as AT&T or T-mobile even if Version Wireless,but it just tell me the SIM Card Is Invalid !
I visited a lot of website and tried any possible solution on the Internet,include but not limite in: Change ROM,Flash Radio,Format /cache /sytem /data,Retry simlock again and again,Set QPST,Set CDMAworkstation,Set DFS ...
Well,
I even want to buy the unlock code from xxxxxx.com,but they warn me do not buy the code if the phone didn't request.
Why the phone didn't request the unlock code?
I truly hope I can unlock this phone,
If you know how to deal with it,Please help me!
I am using Sprint (maybe)original ROM,Software version 3.31.654.2,OS vision Android 4.4.4,Baseband version 1.08.20.0916
Even if you SIM unlock the phone you can't use it on another domestic carrier. If you're international that's another story.
Magnum_Enforcer said:
Even if you SIM unlock the phone you can't use it on another domestic carrier. If you're international that's another story.
Click to expand...
Click to collapse
But it is designed can enter the unlock code to unlock domestic carrier and international carrier.
And the domestic unlock code is actually exist,just have no idea why this phone not ask.
Maybe the unlock program damage the part of domestic unlock function?

Unable to unlock SIM

Hi, i recently bought a Motorola XT1097 on ebay that is at&t sim locked.
I tried to get the unlock code from them, but they answered to me that they cant provide it because that imei is not on their network. I tried others page to get the unlock code with no success.
The phone now has the bootloader unlocked and is rooted, is there any other method to unlock it without needing to have the code? I searched through the forum but couldnt find any answers.
Thanks!
Anyone? :crying:
I Just Have the Same Problem, but my is from CANADA. I try more than 10 service for unlock, contact a Motorola LatinAmerica, Canada, Usa, and the most biggest carrier from Canada, USA and LatinAmerica and anyone can check the imei and either get a unlock code.
Patopa said:
Anyone? :crying:
Click to expand...
Click to collapse
How you know it's locked too att? :/ reboot into bootloader menu and check barcodes there will be your model if it was att then you shouldn't get unlock code for bootloader as att doesn't allow it, also try 3rd party unlocl code from motorola database.. I guess its 3$ i use unlockbase.com as its relaible for me. Hope it will help you too
I unlocked it via sunshine, its the only way to unlock xt1097 of at&t right now. I have tried lots of 3rd party with no result.

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