Before you activate your phone: Locate your AT&T phone number on your Order Confirmation slip that came in your shipment. Locate your IMEI and SIM (ICCID) numbers. Transfer your contacts, photos, and videos from your old device to your new device. Use the SIM that came with your new phon...
Sim card activation, sim card not supported I just transferred my active t-mobile sim card from a new phone back to an old phone (that used to be active with att). the old phone is displaying the message "sim card not supported", noting it's 'not a hardware issue.' what's up wit...
From here, you will go to a new page. here click onContinue to login: Now login page is in front of you. Here, you have to log in with the received password and change it to your own username and password. This is mandatory. So I will suggest that write your own password and use...