Question: how to check your data balance on t mobile?
Answer: You can also access your my T-Mobile account on your smart phone or tablet using the T-Mobile MyAccount app. Step 3: Request a text update from your phone. On your phone, dial #MIN# (#646#) for minutes, #MSG# (#674#) for messages, or #WEB# (#932#) for data. You will receive a text message with your usage information.