How Do I Activate My At&t Prepaid Sim Card. Verify the SIM card is installed and the device is turned on. Have an ATT PREPAID plan.
Pure Talk SIM card description. Ad Staying on Top of Your ATT Account Has Never Been Easier. Follow the on-screen instructions to activate the card.
Activate your ATT PREPAID.
You will find the SIM card number on the back of your SIM card. See the Phone Assembly tutorial for instructions on inserting a SIM card. Follow the on-screen instructions to activate the card. I am more than pleased to offer assistance with this.
