: Credits typically have expiration periods based on the amount added. For example, $10–$50 refills may expire after 90 days, while a $100 refill often lasts 365 days. Refill your prepaid account | T-Mobile Support

: Sells digital refill cards that can be redeemed through the T-Mobile app or website.

Choose a one-time payment or set up using a bank-issued credit/debit card.

Buying T-Mobile phone credit online is direct and can be done through official T-Mobile channels or authorized third-party retailers. Digital payments are often free and can help you avoid a $5 Assisted Support charge that applies to in-store or over-the-phone refills. Official T-Mobile Refill Options

T-Mobile provides several ways to add credit directly to your account:

: Offers refills starting at $10 with over 23 payment methods. Credits are usually applied instantly via Real Time Replenishment (RTR).