How To Put T Mobile Sim Card In Iphone 12. I usually just move the SIM from the phone I am replacing into the new phone and good to go. Locate the SIM tray.

Next you will need to insert the new SIM card and power on your device. Ensure the gold contacts are facing the screen and the notch is located on the top. The new SIM that came in the 12 I just pop out and leave in the box just in case.
Turn the device on.
With the device off open the SIM card tray and insert the SIM card. Hi I recently got an iphone 12 pro to replace my iphone X. New I 12 came with new sim card and tool to insert. With the device off open the SIM card tray and insert the SIM card.

