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[Q] AT&T Galaxy S4 SGH i337 4.4.2 Unlock help??

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By JGarciaah, Junior Member on 4th June 2014, 03:56 PM
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I just bought this Galaxy S4 from someone but the thing is i use MetroPCS and when i insert the SIM card it asks for a pin number. Does anyone know how to unlock it. I understand i might have to root and downgrade but im a noob. Thanks in advance!!!
 
 
4th June 2014, 05:46 PM |#2  
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Quote:
Originally Posted by JGarciaah

I just bought this Galaxy S4 from someone but the thing is i use MetroPCS and when i insert the SIM card it asks for a pin number. Does anyone know how to unlock it. I understand i might have to root and downgrade but im a noob. Thanks in advance!!!

Do the downgrade and root, and while on MK2 use the "Possible SIM unlock for MK2" thread.

Sent from my SGH-I337 running GPE
4th June 2014, 05:57 PM |#3  
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Originally Posted by DeadlySin9

Do the downgrade and root, and while on MK2 use the "Possible SIM unlock for MK2" thread.

Sent from my SGH-I337 running GPE

From what i read isn't it impossible??
Have you done it?
4th June 2014, 11:31 PM |#4  
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Originally Posted by JGarciaah

From what i read isn't it impossible??
Have you done it?

To go from 4.4.2 to 4.3 is somewhat possible, other downgrades aren't possible. There's a thread titled NB1 DOWNGRADE with the information to do that. Check your baseband first, if you're on NC1 you might need to flash NB1 first.

Sent from my SGH-I337 running GPE
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