B boombox15 macrumors 6502 Original poster Jun 17, 2013 272 22 Cedar Rapids, Iowa Oct 15, 2020 #1 I have a SIM Card that I got back in 2017 with my iPhone 8 Plus. I now use it in my iPhone XR. If I am buying a iPhone 12 unlocked, will I need to get a new SIM Card for this iPhone since it has 5G, and my current SIM card is from a 4G phone.
I have a SIM Card that I got back in 2017 with my iPhone 8 Plus. I now use it in my iPhone XR. If I am buying a iPhone 12 unlocked, will I need to get a new SIM Card for this iPhone since it has 5G, and my current SIM card is from a 4G phone.