[Q] Unlocking T-Mobile to AT&T - Galaxy Note 3 Q&A, Help & Troubleshooting

Hello all,
Please help a newb on switching networks! I currently have T-Mobile with my Note 3.
Is it as easy as just switching out the SIM CARD? Or do I have to do something special to use it on AT&T?
If so can you please explain how hard or easy this would be to do?
Thank you!

rayman121985 said:
Hello all,
Please help a newb on switching networks! I currently have T-Mobile with my Note 3.
Is it as easy as just switching out the SIM CARD? Or do I have to do something special to use it on AT&T?
If so can you please explain how hard or easy this would be to do?
Thank you!
Click to expand...
Click to collapse
More information is needed. Which specific model of Note 3 do you have? N900T? N9005? If you have the TMobile branded version (N900T) you will need to get the phone unlocked first before you can use an AT&T SIM card.

dirrtyswan said:
More information is needed. Which specific model of Note 3 do you have? N900T? N9005? If you have the TMobile branded version (N900T) you will need to get the phone unlocked first before you can use an AT&T SIM card.
Click to expand...
Click to collapse
I have the T-MOBILE BRANDED version N900T.
I started making payments on it a few months ago. They won't let me unlock it until phone is paid off.
Is there anyway around this?

rayman121985 said:
I have the T-MOBILE BRANDED version N900T.
I started making payments on it a few months ago. They won't let me unlock it until phone is paid off.
Is there anyway around this?
Click to expand...
Click to collapse
You are actually in the International Note 3 forum, this question would be better suited in the T-mobile N900T or AT&T N900A Note 3 forum. Luckily for you, I'm running a N900T on AT&T :good:.
Anyway have a look at this thread and it should answer your questions. Don't forget to hit Thanks!
http://forum.xda-developers.com/showthread.php?t=2464498

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[Q] Install i9505 rom on AT&T S4?

Has anyone tried installing the international rom on the AT&T version? Aren't the phones both the same? Or can anyone make a port of the international rom like for the Note II? Thanks!
Not sure if it would work. specs are similar though the LTE bands show some differences.
ownedbycurry said:
Has anyone tried installing the international rom on the AT&T version? Aren't the phones both the same? Or can anyone make a port of the international rom like for the Note II? Thanks!
Click to expand...
Click to collapse
The AT&T version has a locked bootloader so no.
ownedbycurry said:
Has anyone tried installing the international rom on the AT&T version? Aren't the phones both the same? Or can anyone make a port of the international rom like for the Note II? Thanks!
Click to expand...
Click to collapse
I'll keep this short and simple without being rude. The AT&T Galaxy S4 has a locked bootloader, which means we currently cannot install any ROMs whatsoever. The Canadian variants have unlocked bootloaders, so they might be able to answer your question, but otherwise check back around the end of the month (when we anticipate that we'll have an unlocked bootloader, thanks to djbliss).

Unlock Samsung S4 i337 without SIM

Hello guys,
newbie here, just got the s4... The S4 is locked to AT&T and i am on ROGERS (canada) however I do not have the AT&T sim, what is the procedure i need to follow to unlock this phone. Do i need to purchase a unlock code or is there a free method available?
Thanks guy
I switched over from a blackberry z10, that phone was like a iphone3 compared to this s4
Please read forum rules before posting
Questions and Help issues go in Q&A and Help section
Thread moved
Thank you for your cooperation
Friendly Neighborhood Moderator
Also this is not the I337 section. I will move you to the correct device as well
If you put a att sim card it will just work so no need for unlocking, but if you put a Rogers sim card then the the phone will ask for a unlock code
Sent from my Ssamsung Galaxy s4
beginner09 said:
Hello guys,
newbie here, just got the s4... The S4 is locked to AT&T and i am on ROGERS (canada) however I do not have the AT&T sim, what is the procedure i need to follow to unlock this phone. Do i need to purchase a unlock code or is there a free method available?
Thanks guy
I switched over from a blackberry z10, that phone was like a iphone3 compared to this s4
Click to expand...
Click to collapse
You could try this unlock method posted earlier.
http://forum.xda-developers.com/showthread.php?p=41585780
I need help to unlock sim carrier on i337M
Hey maybe you could help. I tried everything. I downlaod the Odin, CF file and root the phone. also try to figure out and unlock my samsung S4, but it still locked and ask for code. I also got the REgionLock away app and it does'nt work. Well it does but at the end my phone still locked by the carrier : BELL Mobility
My mom gave me this phone as a gift and I want to use it with my actual carrier ''FIDO''... I do not want to paid 50$ for that..
Is there any way that i could get a code or unlock the pĥone?
What rom is on the bell phone? Did you downgrade the modem before running regionlockaway?
what is a rom?
What do you mean by rom and downgrading the phone? I got the lollipop version 5. 1. 0.
Model SGH i337m. I tried most everthing including dialing codes (*#0011* follow step by step).. but its not working. Each time i put the sim card from my carrier (Fido) it asked for a code to unlock the phone. Im not an expert in that kind of stuff either but i tried to get my phone unlock whithout paying if i can. Could you helped me? Did you need my IEMI number?
http://forum.xda-developers.com/showpost.php?p=66051022&postcount=726

Samsung Galaxy S4 SCH-R970 US Cellular

Hi, i've purchased an Galaxy S4 from the Usa but I live in germany. I need to know, if there is an way to unlock the simlock of the us cellular.
thaitanium2012 said:
Hi, i've purchased an Galaxy S4 from the Usa but I live in germany. I need to know, if there is an way to unlock the simlock of the us cellular.
Click to expand...
Click to collapse
Have you read THIS ?
Yes, i'ved read this before. But what would you like to tell me? I've got a sim slot so there must be a way to unlock the simlock. Is there a method or not?
CarlM34 said:
Have you read THIS ?
Click to expand...
Click to collapse
Hey there..sir i check all thread but nowhere i cant found about uscc s4 sch-r970 for sim unlock..maybe we didnt figure out how to unlock it??i contact uscc and they told me that there is a code but theres not s4 time to get released..now what we do??

[Galaxy s5] Verizon - unlocked - can I install a different ROM?

Hey guys, so I bought recently a galaxy s5 in USA (I'm not living in USA).
The Galaxy s5 I bought is a Verizon's version, I think its called CDMA.
so anyway, I wanted to boot this phone and install a different ROM on it.
Right now its unlocked and I can use my own SIM card and it works just fine but I'm worried about the fact that I don't know how is unlocking works.. I don't want to install a different ROM and then my SIM won't work..
If something like this might happen, how can I make sure about it?
Thank you.
Anyone....?
i have an AT&T s5 and am also wondering the same question!
No answer =/

How to use AT&T S4 on International Network??

Hi guys one of my friends bought a S4 in the US, It's AT&T locked SGH-I337 so can't use it with sim in our country (South Africa)We have two models of S4 here, the I9500&I9505. Was wondering what the right steps is to get the phone working? Must I root the phone and flash custom Rom & kernel or just unlock sim card? I'm not new to Rooting or flashing Roms but haven't fidled with carrier locked phones before [emoji3] [emoji2]
Send from my UNBENDABLE NOTE 3 ?
Leonidas300 said:
Hi guys one of my friends bought a S4 in the US, It's AT&T locked SGH-I337 so can't use it with sim in our country (South Africa)We have two models of S4 here, the I9500&I9505. Was wondering what the right steps is to get the phone working? Must I root the phone and flash custom Rom & kernel or just unlock sim card? I'm not new to Rooting or flashing Roms but haven't fidled with carrier locked phones before [emoji3] [emoji2]
Send from my UNBENDABLE NOTE 3 ?
Click to expand...
Click to collapse
Unlock it
There us a guide out there . just google it
"If someone helps, never forget to hit thanks ? "

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