General New firmware

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Feb 25, 2015
A guy had told me he changed using SamKey... I never used it, but had heard that it could change your SCS.

Yes, it's SM-F711B and my CSC is COO (Colombia),it was originally TPA (Panama), but I changed it with SamKey
Yes, seems like is posible with samkey but i don't know if this is a secure process, even needs to buy credits to proceed, is confused for me.. 🤕


Senior Member
Dec 30, 2008
LG V20
Nokia Lumia 520
For what it's worth I flash the TMB CSC on and it works fine on ATT, I have to manually remove the ATT bloat but it only takes a few minutes, but it never gave me any problems with connectivity.

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