What hardware dictates the carrier?
I have an old iPhone 5c laying around that I had when I was with AT&T. Now I have verizon and was tinkering with it to see if I could repair it and use it as a backup.
My question is if I replace the mother board with one from a Verizon phone will it then work on Verizon? Is the motherboard even different between the two? And if not what would I have to do to use it with Verizon.