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GOOD NEWS I337 MF3 SIM unlock!

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By egolabbakhsh, Member on 6th November 2013, 09:19 AM
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Just to be clear this may not be a permanent unlocking as I can't verify the results. (although I've had numerous times of restarting the phone and still good, but I am just repeating the developers words.)

All I know is that I have an i337 with the newly updated MF3 baseband, I tried everything and anything to get this guy unlocked since I am visiting overseas at the moment. I tried the 27663368378, the 0011, 9090 tricks and anything else you can think of, I even took it to one of the mobile service places and they were unable to even get an ack from the phone with it's new baseband. I tried downloading the "servicemode shortcut" from the play store and the only thing that app was able to tell me was that it only works with galaxy family (just as a reminder I have a galaxy s4!) I think whatever they had done, was even confusing the app, so it couldn't know its on a galaxy! anyways, after searching and searching I came across a link and conclusively an app called "RegionLock Away" by the chainfire group from the moment the app was installed it took 45 seconds for my phone to be unlocked up and registering to the network I am in right now.

As it's always been said, I don't take any responsibilities for anything that happens to your phone, as I believe they don't either, the only purpose for this thread was to inform some of the people like me that are willing to take the risk and enjoy the rewards or bear the pain if it succeeds or fails.

honestly, as I will myself when I get back in the states, consider donating to them or purchasing the app, since we need guys like these to save us in moments like these.

These are the links to the original postsI know, that one is for note 3, but worked on my i337 MF3)

http://forum.xda-developers.com/show....php?t=2471742

and

http://forum.xda-developers.com/show....php?t=2470551

they are different follow them both and read them both.

I hope this helps somebody!
Last edited by egolabbakhsh; 6th November 2013 at 09:21 AM. Reason: URL CORRECTION
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10th November 2013, 10:55 PM |#2  
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has anyone tried this yet to see if it worked?
10th November 2013, 11:09 PM |#3  
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This isn't a SIM unlock. Just a region unlock. Research the difference

Sent from my SAMSUNG-SGH-I337 using xda app-developers app
11th November 2013, 12:37 AM |#4  
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Quote:
Originally Posted by Ends

This isn't a SIM unlock. Just a region unlock. Research the difference

Sent from my SAMSUNG-SGH-I337 using xda app-developers app

This may be true, but there have been reports of this app sim unlocking the S4

Sent from my SAMSUNG-SGH-1337 using Tapatalk
11th November 2013, 01:31 AM |#5  
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It works!!
Thank you!

---------- Post added at 02:31 AM ---------- Previous post was at 02:27 AM ----------

It works!!
Thank you!
11th November 2013, 01:35 AM |#6  
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I confirm.
I used the app before on my AT&T S4 and it sure unlocked the sim

Sent from my SAMSUNG-SGH-I337 using xda app-developers app
11th November 2013, 01:45 AM |#7  
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Quote:
Originally Posted by Ends

This isn't a SIM unlock. Just a region unlock. Research the difference

Sent from my SAMSUNG-SGH-I337 using xda app-developers app

Give it a try b4 u make a statement. I tried it b4 and it worked.
11th November 2013, 11:33 AM |#8  
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I'm living in Romania, I bought an ATT S4 from USA and it was locked. I unlocked only the region with Region Lock Away and everything works. Maybe it helps someone.
11th November 2013, 12:23 PM |#9  
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Can confirm it works as well. It also seems to permanent. I've reflashed back to stock using ODIN and used Safestrap as well for GPE ROM and it stays "unlocked."
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11th November 2013, 12:37 PM |#10  
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havent tried it yet, but thanks bro, you saved me 40-30 dollars!!

EDIT; just tried it. works perfectly!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !
Last edited by pham818; 11th November 2013 at 12:47 PM.
11th November 2013, 01:47 PM |#11  
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I figured out a trick this worked on both of my galaxy s4's they are the I337M Canadian model.

DISCLAIMER I am not responsable for your phone if you can't follow basic instructions do not attempt.

First put your phone back to the proper Firmware where you can access service mode. Once that's done download QPST make sure the phone is on RNDIS+DM+MODEM download the phoneutil.apk put it on your phone and install.
Once that is done make a backup of your NV MAKE SURE YOU DO THIS IT SAVES YOUR IMEI NUMBER.
After the phone is rebooted go in to service mode and clear your EFS once the EFS is clear get to SHA256 on turn it on once on go back and then turn it off you should get 116630
Go back to COMMON and MAKE a backup
After the phone reboots open QPST and RESTORE the NV you had just backed up.
Your phone is now unlocked I CAN CONFIRM THIS WORKS.
Sorry the instructions aren't very precise but like I said IF YOU HAVE NO CLUE WHAT I WAS TALKING ABOUT DO NOT ATTEMPT.

All files to download are here

http://forum.xda-developers.com/show....php?t=2324667

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