AT&T can send you unlock instructions upon request
What information do you need?
Your account must be active for 60+ days
You have no unpaid balance
You’ve paid off your full service contract
If you’ve upgraded to a new device, you must wait 14 days before unlocking the previous device
Do you qualify? Click on this link, and you will be directed to a page where you can sign up to have the device unlocked. Within 2 business days, ATT will respond that the device is unlocked.