Buying additional minutes for T-Mobile prepaid is done by adding funds to your account balance, which can be used for pay-as-you-go voice minutes, text messages, or data.
Are you on the (30 mins/texts) or Pay-As-You-Go ? t mobile buy minutes
Note: For the best experience in 2026, ensure your auto-refill is active, and use the T-Mobile app for the fastest, no-fee payments. To give you the most specific advice, I need to know: Buying additional minutes for T-Mobile prepaid is done