AT&T and T-Mobile , Change Autopay Discount Requirements.<br />AT&T and T-Mobile , Change Autopay Discount Requirements.<br />The two wireless carriers have joined Verizon in requiring a debit card or bank account instead of a credit card for their autopay discounts, The Verge reports. .<br />The two wireless carriers have joined Verizon in requiring a debit card or bank account instead of a credit card for their autopay discounts, The Verge reports. .<br />The two wireless carriers have joined Verizon in requiring a debit card or bank account instead of a credit card for their autopay discounts, The Verge reports. .<br />The change is intended to reduce credit card processing costs for the companies. .<br />Both current and new customers must adhere to the new requirement to continue receiving the same autopay discounts.<br />T-Mobile implemented the change in July.<br />AT&T will impose its new rule beginning Oct. 2. .<br />With AT&T, if you keep a credit card on file as your autopay method, they will only reduce your discount for the time being, not eliminate it.<br />Instead of $10, you'll get $5 off.<br />T-Mobile will no longer accept Apple Pay or Google Pay for its $5 discount.<br />Verizon will actually let you keep your <br />autopay discount with one credit card, <br />as long as it's a Verizon Visa card