How to network unlock my AT&T Samsung SGH-i957 - Galaxy Tab Q&A, Help & Troubleshooting

I have a Samsung SGH-I957 which is lock to at&t , i have rooted it, installed busybox, tried to unlock it by editing the nv_data.bin file but as bad as it got there was no nv_data.bin file located in the efs just redata.bin and some others.
I am very confuse on the way forward.
more details:
Android 3.2
4G LTE

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Upgrading to Froyo 2nd handset

Afternoon All,
I am lucky enough to have two handsets i9000 international versions locked to Bouygues Telecom, France.
When I received the first handset I quickly upgraded it to JPK without reading the forums and therefore I was unable to unlock it. Also I deleted all the contents from the efs folder thinking that it would regenerate the contents on reboot (stupid me).
Now I have received my second handset I have kept it on stock 2.1 and have successfully unlocked it using the sgs unlock apk available on the market.
Is there anyway i can use the intact efs folder on my second handset and transfer it to my first handset ?? If this is possible does this mean that both handsets would have the same imei ?? is it possible then to change the imei to the imei that it came with when i first got it ?

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I have a question...I have flashed Optus froyo by patching the Kies...Does it lock my phone to Optus...Mine is unlocked phone but I am confused on this point after flashing to Optus firmware...I haven't got a chance to test with other SIM...I was on ZSJF5 eclairs
nope. It only installs optus branding, links and apps which can be removed via titanium backup with root. Optus Galaxies have never been sim locked. As far as I know only prepaid phones in AU are locked by law or something like that.
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it's the same as the Bell phone
by the way Virgin is Bell owned
the unlocking apps dont work and i cant find cwm for 2.2 but only for the 2.1.
I downloaded Galaxy S unlock from the market and unlocked my sim. The app allows you to rewind just in case you need to rewind for any reasons i.e. warranty etc. My phone's sim was locked on to Vodafone UK but now it accepts any sim card
When i try rooting, it says verification error.
use the superoneclick rooting app on the DEV section of the forum
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Unlock/Root Samsung Note 3 (SM-N900A)

I have a Samsung Galaxy Note 3. I used to have AT&T as a carrier for the phone, now I do not have a carrier. I want to unlock my phone and preferably not pay for it I tried the method outlined at android and me and several other site, ( it involves using the number *#197328640#)
I was unable to use this method because I could not find a UMTS menu.
The only other way I found to unlock the phone was to root it. I wanted to use Odin and CF Auto Root to do but I could not find a version for my device, (Samsung-SM-N900A).
Do you guys have any suggestions for me?
Sir,
Please wait until mods will move this thread to the device specific forum.
For reply or more questions please register an account on XDA forums.
Stand by
Good luck
Im in the same place need to Root At&t galaxy note 3 5.0 N900a where can I find the files
You can only network unlock the phone with a code.
As far as I know, all of the note series is carrier unlocked. if it's not, you have to call your respective carrier and ask them to unlock it. Rooting your phone is another story. I just got off live chat with Samsung and they can't remove the bootloader lock on my OC2 N900a. This will prevent me from buying any other samsung product in the future, not even considering the note 7 b.s.
The n900a is an at&t phone and pretty much every at&t phone is carrier and bootloader locked. Same goes for sprint and Verizon.
Didn't realize oc2 also had the n900a as I thought the U.K. And Europe had the n9005.
Most of the note phones sold by a carrier are network locked.

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