Learn about & download the myAT&T app for managing your AT&T account right at your fingertips!
Learn about & download the myAT&T app to manage your AT&T account!
I have given my mom my old att phone and it requires a nano SIM card and the phone she has, has a micro SIM card. I need to get a new card, but want to keep her account and phone number.
Go to Solution.
Go to an AT&T store. They can transfer it to a new nano sim card. They usually charge $5.00 for a new card.