You can make a difference in the Apple Support Community!

When you sign up with your Apple Account, you can provide valuable feedback to other community members by upvoting helpful replies and User Tips.

Looks like no one’s replied in a while. To start the conversation again, simply ask a new question.

I just got a new iphone 12 pro max...can I use the brand new SIM card or should I transfer my SIM from my old phone (One Plus 6T)

Not sure if I should use the new phone SIM card or transfer SIM from old phone (One Plus 6T on T-Mobile)


iPhone 12 Pro Max, iOS 14

Posted on Jul 28, 2021 5:50 PM

Reply
Question marked as Top-ranking reply

Posted on Jul 28, 2021 5:56 PM

The old SIM cards will work however will not be able to provide 5G. You may get up to 4G LTE from T-Mobile. T-Mobile has 5G service and they will ask you to go to their store and get a new 5G SIM Card.


Axel F.

2 replies

I just got a new iphone 12 pro max...can I use the brand new SIM card or should I transfer my SIM from my old phone (One Plus 6T)

Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple Account.