Firmware Problem with At&t

Hi,

I have Samsung - SM - G928F

Some one Stupid install a firmware on with G928A AT&T , as a result the bootloader is looked and i cant backup the original one with (F ) version

Can i got a Help Here ,

Regards ,

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crwdns2889612:0crwdne2889612:0 0

crwdns2947414:01crwdne2947414:0:

Ouch. Can you get back to download mode? A and F are 2 completely different CPUs.

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