how to flash SM-G930F to sm-g930a

A

AC Question

Hello all, I'm a forum noobie. I am using an AT&T branded Galaxy s7 on the cricket network. I don't get software updates without putting in an AT&T gophone sim in which is really annoying. I've never rooted a phone before, is it worth it to flash an unlocked ROM onto my phone?

I don't want to compromise Knox or anything like that, assuming flashing won't do that, how do I got about flashing a different ROM onto my phone, I'm having trouble finding how to guides online and also having trouble assessing the risk of flashing.

Thanks for the help, I hope this makes sense, please reach out for clarification.
 

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