any information greatly appreciated


Can a sim card from an Iphone X non T-Mobile customer be put into a IPhone12 Pro Max T-Mobile customer and the Iphone 12 phone will still work?


Thank you from Technically challenged

2 replies


The SIM card will fit but it won’t work like it would on the iPhone X. Meaning you won’t be getting any phone calls or making calls, text messages etc. 

You can use your Apple ID to send and receive iMessages without a SIM 


thank you so much for taking the time to respond to my question.