Unlock To use AT&T sim? - T-Mobile Samsung Galaxy S 5

Have a T-Mobile S5. Switching to ATT. Need to unlock need a unlock code. Can I flash a rom that unlocks the phone? Or like kernel?

Just call T-Mobile and have them give you an unlock code. They will do it if your account is in good standing or you have paid off the device.

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[Q] SIM UNLOCK help

So I bought a unlocked Atrix but when I put my Telcel SIM inside it tells me to put SIM network unlock PIN? does someone know what is this or can help me?
thank you
Sounds like it is not unlocked... you could try calling AT&T to see if they will give you an unlock code for free(if it was an AT&T phone)... if not you need to buy one online for about $9
I brought new atrix 4G MB860. unlocked bootloader thinking it will unlock network as well.. how can i unlock SIM network ? tried couple of web sites for unlock code but no use, given code didn't work. help pls..

SIM Unlock through Software

I know a lot of phones such as Samsung and HTC allow you to SIM Unlock your device when you root your phone, is it at all possible to do the same with the Nokia Lumia 710? Long story short, I ordered an unlock code for my device and its been 3 weeks and they have yet to give me a unlock code. I was hoping to find an alternative solution that would allow me to SIM Unlock my phone.
From what carrier is your phone?
Sent from my HTC One X using Tapatalk 2
T-Mobile is the carrier the phone is locked to, I am trying to use it on AT&T.
Do you try with code?
Sent from my HTC One X using Tapatalk 2
I purchased an unlock code but they told me that they could not locate it from any of their databases. I tried cellunlocker.net, I am trying another seller but I am hoping that I don't have the same issue.
The second place where I ordered an unlock code also said they could not obtain my unlock code.
Any reason why an unlock code wouldn't be listed in a database??
My Telus L800 is sim-unlocked via a code so I am not sure what to tell you really. Have you tried contacting T-Mobile for the code?
Code:
http://support.t-mobile.com/docs/DOC-1588
SIM Unlock by flashing ROM?
I have a T-Mobile USA locked Lumia 710, would it be possible to unlock by flashing this ROM:
1600.3031.8773.12121
059P8W2: Nokia 710 RM-809 VIVO BR Black v1 (No SIM Lock)
It seems to be built for the Brazilian carrier Vivo.

Unlocking a new T-Mobile P769

If I were to buy a new T-Mobile P769, how would I go about unlocking it to allow different carriers?
Is this correct?
1. Buy Phone
2. Buy T-mobile Pre-paid sim
3. Wait for OTA JB update
4. Unlock bootloader using methods in this forum
Does that sound about right, or would I need to get an unlock code from E-bay?
silkstone said:
If I were to buy a new T-Mobile P769, how would I go about unlocking it to allow different carriers?
Is this correct?
1. Buy Phone
2. Buy T-mobile Pre-paid sim
3. Wait for OTA JB update
4. Unlock bootloader using methods in this forum
Does that sound about right, or would I need to get an unlock code from E-bay?
Click to expand...
Click to collapse
1-4 would not help with carrier unlocking your device. Refer to this thread http://forum.xda-developers.com/showthread.php?t=2252254

[Q]Custom Rom on AT&T Desire 610 unlock SIM network?

Hi everyone. I'm new at this and was wondering if I install a custom Rom on AT&T HTC Desire 610 Go Phone, will I be able to use T-mobile instead of AT&T? Will it unlock or bypass the network so I don't need to get network unlock pin? I contacted AT&T customer service to unlock network pin but was told I need to activate service to get help with that. I really don't want to activate the phone only to get a network unlock code when I'll be using T-mobile after. If custom Rom won't do the trick is there a way to SIM-Unlock the phone or a tutorial? The Phone is brand new Bootloader unlocked with HTCDEV and rooted. Purchased at Target. Any help is appreciated. Thanks in advance to anyone with some insight on my dilemma
Nope. Requires supercid mode, which requires s-off, which we don't have yet. Only option is at&t. If you've got a friend with an at&t account in good standing, they might be able to do it for you.

one click domestic unlock possible ?

I have used region lock away to get unlock overseas and know of this below thread for domestic unlocking use:
http://forum.xda-developers.com/showthread.php?t=2593305
but is there an app or one click method for domestic unlock ?
I have a note 3 on ting (sprint variant)
thanks !
sammy
Not really there was talk of a Rom that did it for you but don't know if it worked.
It's not that hard just work the steps in OP.
It was real nice to get on T-Mobile.
Order your Ting sim card now ?

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