How Do I Change the Data Plan for an Unlocked Phone on AT&T?
- 1). Sign into your myWireless account on AT&T's website.
- 2). Click "Change Rate Plan" under the "Quick Links" section.
- 3). Click the radio button that corresponds to your desired data plan.
- 4). Click "Next" and then "Submit" to confirm that you wish to change your data plan.