I searched but nothing could answer my questions. I have to send the phone to my brother that is on Straight Talk. It is a T-Mobile branded phone. I tried using that unlock code but it does not work. Currently the phone is running on AOKP aokp_d2tmo_kitkat_nightly_2014-03-27. Do I need to flash this to a AT&T ROM? And if so will the unlock code work then? And is there anything I should know about flashing a AT&T ROM over, like special drivers, etc?
You have to be on touchwiz for the unlock to work, so flash a T-Mobile touchwiz ROM and enter the unlock code.. You can flash whatever afterwards and still retain the unlock
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Thanks. Its never as easy as it seems. But this will be easy enough. After though do I need to flash an AT&T ROM?
Nope
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If you want data and signal you'll need APN setups and the phone must be added to the straight talk network...
Just so you know.
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Only ever flash stuff that is intended for your device, regardless of the carrier you use it on.
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DocHoliday77 said:
Only ever flash stuff that is intended for your device, regardless of the carrier you use it on.
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Thank you for that info. You saved me a possible over the phone headache. Glad there are folks like you around that know this stuff inside and out.
I noticed that you can not add an APN unless you have a SIM in the phone. Not a big deal.
Related
Isn't there a source code that you can dial? And if there isn't, I'm just gonna try my friends at&t sim.
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hoose23 said:
Isn't there a source code that you can dial? And if there isn't, I'm just gonna try my friends at&t sim.
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No only way to check if you're unlocked is to use a non carrier sim card. And you must be stock ROM.
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Well to be fair... If he's unlocked using a custom ROM wouldn't matter. You would only need the stock ROM to have the unlock code prompt to pop up right?
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There is a way, on the phone dialer dial *#7465625#
network lock should be OFF is unlocked, ON is locked
Teo032 said:
Well to be fair... If he's unlocked using a custom ROM wouldn't matter. You would only need the stock ROM to have the unlock code prompt to pop up right?
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Actually it does, if his phone is still locked, and he's on a custom ROM, when he powers his phone on. No prompt will come up saying to unlock. However once it's booted with non carrier sim card, he can go under system settings more network providers. And if a whole bunch of numbers come up, like no actual carrier names, then it's still locked.
cletusarrarr said:
There is a way, on the phone dialer dial *#7465625#
network lock should be OFF is unlocked, ON is locked
Click to expand...
Click to collapse
That doesn't work for me on cm9. I get invalid mmi code. But it's prolly cause of my custom ROM. Thanks for the info!
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I meant if he puts in an att Sim and that it's already unlocked, it would have signal and would work. If he's not then yeah lol.
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I have a really quick and easy question. Im planning to buy an at&t gs3 phone from craiglist but im planning to use it on a different carrier, gosmart, what are the things I have to look for? Im sorry this sounds very elemental but I have always used sprint and I really dont know much about sim card.
Thank you very much for your time!
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lepapirriky said:
I have a really quick and easy question. Im planning to buy an at&t gs3 phone from craiglist but im planning to use it on a different carrier, gosmart, what are the things I have to look for? Im sorry this sounds very elemental but I have always used sprint and I really dont know much about sim card.
Thank you very much for your time!
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At&t phones operate on gsm. Make sure gosmart is a gsm carrier. Also, depending on the carrier, you may not see LTE speeds
Well i assume you would have to unlock it which is now illegal without carrier permission so you would have to call at&t and have them unlock if it doesn't already come unlocked
Gosmart uses a sim card( tmobile) but im not worried about lte speeds. What im worried is at&t claiming back their phone. Now this guya in craiglist says he bought the gs3 and then his job gave him the iphone, so he has no use for it. Will at&t will automatically unlock it when he got the iphone?
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Also how can I tell the phone its unlock or not? Anyway to check that?
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lepapirriky said:
Also how can I tell the phone its unlock or not? Anyway to check that?
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Put your gosim in the phone if it works its unlocked if not still locked.
To unlock read this thread.
http://forum.xda-developers.com/showthread.php?t=2014982
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hxphan said:
Put your gosim in the phone if it works its unlocked if not still locked.
To unlock read this thread.
http://forum.xda-developers.com/showthread.php?t=2014982
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Click to collapse
And input the correct APN settings
Thank you everyone for helping me!
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I recently acquired a t-mobile galaxy S3 (t999l)running stock 4.1.2, however my current provider is metropcs and in order to use it i have to unlock it. I currently dont have the money to pay for that so i want to downgrade it to 4.1.1 to do it for free. I was wondering how i could go about downgrading step by step. I would also like to have it rooted.
There is no 4.1.1 for t-999l.. And you don't need to unlock T-Mobile phones to use them with metroPCS.. I know because I've worked for metroPCS.. In other words, you're good to go!!
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4.1.2 is all we have
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serio22 said:
There is no 4.1.1 for t-999l.. And you don't need to unlock T-Mobile phones to use them with metroPCS.. I know because I've worked for metroPCS.. In other words, you're good to go!!
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I tried putting my already activated metropcs sim card in and it asked for sim unlock code. Is there anything I can do to resolve that.
IamthePesident said:
I tried putting my already activated metropcs sim card in and it asked for sim unlock code. Is there anything I can do to resolve that.
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Click to collapse
What phone did you have before? Was it cdma or gsm? It shouldn't ask for one.. also is your area using cdma or gsm network?
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Hello I am in process of changing carrier from Verizon to T-Mobile. Currently I have a Galaxy S4 and I was told by the store that I could use the phone on the T-Mobile network. I have a few questions I am hoping the community has the answers to that the store or customer support were no help on.
1.) If I put the phone on the T-Mobile network, when an update is released for the phone, will it get it? If id does get it, does it get the T-Mobile or Verizon update?
2.) Is there a way to switch the ROM on the phone (without rooting) from the Verizon to the T-Mobile rom.
3.) I am overall curious if anyone switched their Verizon phone to T-Mobile and if they experienced any issues.
1) probably wouldn't get the update and if so it would be verizons,
2) no.
3) I just switched from Verizon but now have a tmo s4. I'm saving a lot of money and it works out because where I live and work I have excellent coverage.
Update: just reread #3 sorry for the non-answer. Why not just get a tmo s4 and save the worries?
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psycdoc said:
2.) Is there a way to switch the ROM on the phone (without rooting) from the Verizon to the T-Mobile rom.
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Click to collapse
Actually, you CAN switch the ROM on the phone without rooting. Using a custom recovery doesn't require root access. But that's kinda like having your arm amputated so you couldn't get a flu shot in your shoulder...
So the phone will work using a T-Mobile ROM? If I were to do that will I now get future ROM updates from T-Mobile or will it still get the Verizon update
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erasable said:
1)
Update: just reread #3 sorry for the non-answer. Why not just get a tmo s4 and save the worries?
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I just purchased the Galaxy S4 about 3 weeks ago..
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lordcheeto03 said:
Actually, you CAN switch the ROM on the phone without rooting. Using a custom recovery doesn't require root access. But that's kinda like having your arm amputated so you couldn't get a flu shot in your shoulder...
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Click to collapse
My bad I was thinking of the vzw note 3. Not sure about the vzw s4.
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My friend got a phone from T-Mobile s3 few weeks ago and unlocked it to use it here in Canada in mobilicity network. But it has like 0 reception it gets reception for few mins than goes to 0 bars. Is it a radio issue or something else? Any help would be greatly Appreciated. Thanks!
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Are you sure the unlock was successful? Im not sure how it works in Canada but could it be blacklisted?
While it shows signal does it work for calls and data?
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Yes unlock was successful and recognize the network. Gets reception you can make call after few mins loses it and goes to 0 it's not blacklisted as it was purchased outright from the retail store. Right now there is no Sim card on phone and it shows 4 bars.
and for some reason this is the newest s3 i think cause usually its t999v this one say t999l
DocHoliday77 said:
Are you sure the unlock was successful? Im not sure how it works in Canada but could it be blacklisted?
While it shows signal does it work for calls and data?
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Yes unlock was successful and recognize the network. Gets reception you can make call after few mins loses it and goes to 0 it's not blacklisted as it was purchased outright from the retail store. Right now there is no Sim card on phone and it shows 4 bars.
DocHoliday77 said:
Are you sure the unlock was successful? Im not sure how it works in Canada but could it be blacklisted?
While it shows signal does it work for calls and data?
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You might need a new sim card. And the T999V is only sold by the Canadian carriers. The T999L is the updated lte model of the original T999.
After unlocking were you able to use a sim from another carrier and have it work with zero issues? If you only tested it on the network you are reporting problems with that is not confirmation of a successful unlock. Try a sim from another carrier and see if it works.
If it is unlocked then it sounds like an old sim card type issue.
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*please ignore*
DocHoliday77 said:
You might need a new sim card. And the T999V is only sold by the Canadian carriers. The T999L is the updated lte model of the original T999.
After unlocking were you able to use a sim from another carrier and have it work with zero issues? If you only tested it on the network you are reporting problems with that is not confirmation of a successful unlock. Try a sim from another carrier and see if it works.
If it is unlocked then it sounds like an old sim card type issue.
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just tried my sim card same issue and we tried with 2 other brand new sim card from ssame provider. i just flashed this March 2014 - 4.3 JellyBean - New!
Note: This is based off of the stock image TMO T999LUVUBNC1
Download :: Download - root66_TMO-L_T999LUVUBNC1.7z through odin thought it might be radio issue but same thing.
her daughter has the same s3 with 4.1.2 and works perfect. can i downgrade through odin to 4.1.2? i think md5 modem might be better.
Unfortunately no. Once you flash 4.3 there is no going back. If its not working with any of the sim cards, try one from another carrier if possible.
Kinda sounds to me like its not unlocked. How did you go about attempting to get it unlocked?
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She will come to pick the phone today I'll ask how did she unlock the phone. But if it wasnt unlocked how does it recognize the Sim? Can you suggest me a modem? But I will ask how she unlock it and let you know. Also when I flash the new 4.3 it didn't erase the call history and also when I reset the phone it doesn't seem like it resets it cause the call history's are still there.
DocHoliday77 said:
Unfortunately no. Once you flash 4.3 there is no going back. If its not working with any of the sim cards, try one from another carrier if possible.
Kinda sounds to me like its not unlocked. How did you go about attempting to get it unlocked?
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sofia-captivate said:
She will come to pick the phone today I'll ask how did she unlock the phone. But if it wasnt unlocked how does it recognize the Sim? Can you suggest me a modem? But I will ask how she unlock it and let you know. Also when I flash the new 4.3 it didn't erase the call history and also when I reset the phone it doesn't seem like it resets it cause the call history's are still there.
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You can only use the 4.3 modems now. When you flash firmware it doesnt erase your data. Not sure why it didnt on a factory reset though, unless its stored on sd.
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