Here I will explain about AT&T Mobile Transfer. AT&T Mobile Transfer allows you to transfer your content like: contact, pictures, videos, music, messages, and more. From your old device to your new device wirelessly with the help of AT&T Mobile Transfer app. AT&T Mobile Transfer is a quick and easy solution if you’re switching between iphone and Android. AT&T Mobile Transfer a great data transfer alternative to iCloud and Google Backup. Simply download the app to both devices, follow the prompts to connect the devices and transfer your content.