Activate your device. Now you’re ready to activate your phone 1. Activate with a QR code instead. Learn what it means to activate a new device, how to transfer AT&T service to a new phone, options to activate your phone yourself and more. Activate online To activate your device online, visit the Online Activation Portal. To activate a new line of service or a replacement device, please go to the AT&T Activation site or call 866. Scan the QR code with a mobile device using the camera to get the link directly on your phone. Watch this video to learn how to activate a new device, or switch between devices, on your existing My Verizon account. Start with your new device powered off. Activate your new cell phone, tablet, and smartwatch on the AT&T wireless network here. I completed the prompts but my device didn't activate Your device must be on the Email sent or QR code screen to complete the activation steps. moa6q3qw rbktmt kvit22 ema ce1jqt e4yg3 vs1pwtr sr4 vclgd 4a