Contact your provider for instructions on how to add your Betterment Visa Debit Card as your default payment method in your account. Please note that you must use your Betterment Visa Debit card to be eligible for cell phone protection. If you pay your bill with your Checking account and routing number instead, you will not be eligible. For your reference, please see below direct links to some of the largest cellular providers in the U.S.: Manage your payment methods with Verizon Manage your ...