AT&T GoPhone plans for tablets allow you to browse the Internet at blazing-fast speeds 4G LTE speeds on the AT&T network* No annual contract No credit check Easy activation Add more data $10/500MB *4G LTE service not available everywhere. Plans expire in 30 days and can be renewed prior to expiration as long as the account is active. Unused data does not roll over. If you add a data package, the data in your package will be used first. It is recommended that you use most or all of the data in your plan before adding a data package.