Originally Posted by TheMechanics
Hi everybody here, well, i purchase my S4 AT&T model i337, "the baseband finish in MDL" from a seller in ebay, the phone is locked, and comes with cyanogenmod 4.4.2 kitkat, i cannot access at the SERVICE MODE,
I have tried this method
*#197328640#* but nothing happens,
And the RegionLockAway does not work, it says "could not locate CSC data"
I dont know what to do, my phone is rooted... i read a lot of threads of information but nothing works for me...
i'm from Argentina, thanks everybody...
Please if someone knows how to unlock please comment in this thread!
I337 4.42 NB1 update OTA
1.downgrade Basebank MDL (wifi not working)
2.use SPT Box unlock---> done
3.use Odin flash Baseband NB1---->(wifi working)
4.Unlock done I337 4.42 NB1 successfull