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Carrier Returning my iPhone 12 Pro, can I use that SIM in my iPhone 11 or no?


macrumors regular
Original poster
Feb 20, 2003
Hi there! I'm returning my iPhone 12 Pro and I've been using the pre-installed AT&T SIM card that came with my phone. When I go back to my iPhone 11, will I be able to just use that one? I figured that I would but I wasn't sure with 5G and all that, if the cards were different. If I have to use the SIM that's still in my iPhone 11, will I have to contact AT&T to get it working again? Thank you!
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