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NEED HELP ASAP (System software not authorized by AT&T)

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By lookin4tna, Junior Member on 22nd April 2014, 01:47 AM
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I cannot boot my phone whenever i do it says "System software not authorized by AT&T has been found on your phone." I have tried every solution for about 5 hours. I have tried the odin stock tar.md5 files i have the Galaxy s4 AT&T i337.
 
 
22nd April 2014, 06:39 AM |#2  
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http://forum.xda-developers.com/show....php?t=2616221
This thread has the stock MK2 and NB1 firmware.


Sent from my SAMSUNG-SGH-I337 using Tapatalk
22nd April 2014, 03:00 PM |#3  
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Quote:
Originally Posted by lookin4tna

I cannot boot my phone whenever i do it says "System software not authorized by AT&T has been found on your phone." I have tried every solution for about 5 hours. I have tried the odin stock tar.md5 files i have the Galaxy s4 AT&T i337.

Try a different kernel, that message appears when you flash the wrong kernel....good luck!
22nd April 2014, 03:40 PM |#4  
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Quote:
Originally Posted by lookin4tna

I cannot boot my phone whenever i do it says "System software not authorized by AT&T has been found on your phone." I have tried every solution for about 5 hours. I have tried the odin stock tar.md5 files i have the Galaxy s4 AT&T i337.

If you were on MDL, you need to use Loki. Try a different kernel too and if not you probably need a different firmware.

Sent from my SGH-I337 running Blackbox 3.0
22nd April 2014, 09:19 PM |#5  
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One last thing
This is how it happened:
1: App store didnt work
2: Restored to factory settings from my settings section
3: Still didnt work
4: Another restore from boot menu
5: Looked how to unroot then installed a new PDA and BootLoader from ODIN
6: Phone locked and gives the error
23rd April 2014, 05:45 PM |#6  
Quote:
Originally Posted by lookin4tna

This is how it happened:
1: App store didnt work
2: Restored to factory settings from my settings section
3: Still didnt work
4: Another restore from boot menu
5: Looked how to unroot then installed a new PDA and BootLoader from ODIN
6: Phone locked and gives the error

A while back I had something similar happen to myself as well. The only way I was able to revive my phone was by performing an emergency firmware upgrade via Kies. This will bring you back to your original stock firmware so you will have to re-root your phone.
Hope this helps
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