Question for tombile s6 to att service - AT&T Samsung Galaxy S6

My question is does the Tmobile phone have to be unlocked to work on the ATT network???
Can I just put my att sim card for this to work??
Someone help please and thanks!!

Yes the phone will need to be sim unlocked for it to be used on the ATT network.

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AT&T Tilt Unlocked !!!

Hi everyone , i have the Tilt unlocked with the code from AT&T , but when i put another AT&T sim card in or Tmobile simcard it can not read the sim and said " THE SIM CARD IS MISSING " but i put the my current simcard in it working ???? does anyone know what wrong it it ? it's not like LOCKED with AT&T ( it dont said the simcard locked or enter code... Please help... !!!
If it's not working with your T-Mobile SIM then your phone is not unlocked I bet.

[Q] i9000 (Virgin) Canadian Carrier Support

I have a virgin mobile i9000 and i cant seem to get it working with my gsm telus sim card. any tips or advice?
thanks in advance
Did you buy the phone unlocked?
If not I believe you would need to have the phone unlocked in order order to use a Telus SIM card in it.

Sim Unlock

I have a friends ATT Galaxy sm-g730a running 4.2.2
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It is rooted and I am trying to sim unlock. he has ATT and I want to put on T-Mobile.
Everything I see it calls for a paid app. Am I missing something?
Thanks in advance.

[Q] A question about unlocking

Hey guys. I just received a T599n, which is the s3 mini on the metropcs network. My plan is T-Mobile and i wanted to know how I can unlock this phone to work with my T-Mobile sim card without paying or if it is possible to install an international rom on this device which will allow it to be unlocked, maybe? Sorry for being nooby.

[Q] Switching to AT&T

Hey,
I just recently moved to the USA and I am trying to set up my Note 3 to work with AT&T but I'm not sure how to do that.
The phone I currently have is a Rogers Galaxy Note 3 N900W8 (Already knox 0x1), and I'm curious what I need to do to make it work with my AT&T sim card.
I was hoping to stick to ViSiOn-X but from what I can see that is not available for AT&T, so I'll probably just stick with the stock ROM, whichever that is.
Though, I do still have a phone plan in Canada and would like to switch between the sim cards so that I can check my voicemail if at all possible.
Is it possible to set up my phone to work with both Rogers Canada and AT&T USA? Or am I required to purchase a factory unlocked phone to do that?
If it is possible, how?
BlameHoffmann said:
Hey,
I just recently moved to the USA and I am trying to set up my Note 3 to work with AT&T but I'm not sure how to do that.
The phone I currently have is a Rogers Galaxy Note 3 N900W8 (Already knox 0x1), and I'm curious what I need to do to make it work with my AT&T sim card.
I was hoping to stick to ViSiOn-X but from what I can see that is not available for AT&T, so I'll probably just stick with the stock ROM, whichever that is.
Though, I do still have a phone plan in Canada and would like to switch between the sim cards so that I can check my voicemail if at all possible.
Is it possible to set up my phone to work with both Rogers Canada and AT&T USA? Or am I required to purchase a factory unlocked phone to do that?
If it is possible, how?
Click to expand...
Click to collapse
You need a factory unlock so you can switch carriers now as for the rom I'm not sure if the rom will work on AT&T, you should check the rom forum an see if other AT&T users used it an if don't already know the Model for AT&T is SM-N900A, also you could always try the rom once you get an sim unlock, an try it with that rom but if it don't work flash a rom that you kno will work
nemopsp said:
You need a factory unlock so you can switch carriers now as for the rom I'm not sure if the rom will work on AT&T, you should check the rom forum an see if other AT&T users used it an if don't already know the Model for AT&T is SM-N900A, also you could always try the rom once you get an sim unlock, an try it with that rom but if it don't work flash a rom that you kno will work
Click to expand...
Click to collapse
Ive got my phone unlocked now, but I think there may be some issues with the ROM. When I first unlocked it I was getting the 4G connection to AT&T. Now I just have the regular phone connection, no 4G. Data is on.

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