Samsung Galaxy S4 I337 4.4.2 Kitkat Locked in AT&T unlock by Z3X..[Reference]

PhoneWar

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Tools:

Z3X Box
Micro USB (CA-101)













First, enable nyo muna ang USB Debugging sa - Setting
at lagyan ng check ang Unknown Sources sa - Security


Need to Root bago mag-unlock, Here is Rooting Procedure - Samsung Galaxy S4 v. 4.4.2 Kitkat Rooting



After Rooting may SuperUser na.






Run SuperUser App at maghihingi ito ng confirmation to DISABLE KNOX
Just select OK






Unlocking Procedure:

1. Open Z3X Samsung Tool
2. Select Correct Phone Model (I337)
3. Select New Security sa Unlock options
4. then Hit Unlock and wait till Unlock Done.








In my case, after unlocking naging 00000000000000 ang IMEI
so, kailangan i-repair muna ang IMEI sa Z3X



IMEI Repair Procedure:


1. Select New Security sa Repair options
2. Hit Repair at may lalabas na panibagong window
3. Lagyan ng check ang Reset EFS at Disable TEST mode
4. Lagyan ng check ang gilid ng box ng IMEI at ilagay ang IMEI
na kasulat sa likod ng cellphone.
5. Then Hit OK .












Pagkatapos ng lahat ay pinagpala rin
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SUCCESS!!!






Okey na Okey pati ang 4G Full bar signal







Salamat sa pagsubaybay
 
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