Pay Your Bill:

Here's the steps on how to make a payment: 

1. Open the app. If you don't have it, download it now.
2. Tap BILL.
3. Scroll to and tap Make a payment.
4. Select the amount to pay, the date to make the payment on, and the payment method.

PA
You can follow these few steps for setting up a payment arrangement on your T-Mobile app:

1. Open the app and tap BILL.
2. Tap Set up a Payment Arrangement.
3. Tap Continue and view the Amount.
4. Tap Payment Method. 
5. Tap Continue, read the Terms & Conditions and tap Agree & Submit.