If you have an AT&T Signature Program discount, you can only pay with a checking or savings account.
While we don’t accept extra monthly payments on installment balances, you can pay off your full remaining balance any time. If you have a turn-in-eligible plan, you may want to consider turning in your smartphone and upgrading to a new device instead. Eligible plans include AT&T Installment Plan with Next UpSM and AT&T Next®.
Info about buy-one, get-one devices on an installment plan
Have a buy-one, get-one device on an installment plan and want to view your monthly credit for your free device? Just check your bill. Look for it in the Make a payment section of your current bill, or Previous activity on last month’s bill.