On Tuesday, November 18th, and for a limited time, ATT will be offering 15 GB of 4G LTE mobile share data to it's customers for the price of 10 GB. That's $100 for the data plus a per device access charge of $15 for those with a smartphone purchased via AT&T Next, or those who paid in full or brought their own device. If you have a two year wireless contract your device access charge will be $40. ATT is also offering a $150 bill credit for those that switch to it's network on an AT&T next plan and activate a new line of service. No time frame has been given for how long these offers will stand.