ContribucionesMost RecentMost LikesSolutionsRe: T-Mobile App not working with my prepaid account What's the best way to add a data upgrade when on-the-go? I would have used the app, but the app is not working. Sorry T-Mobile, I can not pay you extra money this month, will have to wait until my data plan renews in a few days and live with GSM speeds meanwhile.
