ContribucionesMost RecentMost LikesSolutionsRe: Issue with Changing Plan I have also tried going through the T-mobile app on my phone and still got the same oops message that I received online. Re: switching plans I had the same issue when trying the Apple TV + promotion. I tried to upgrade to Magenta Plus. However, I keep getting a try again later message. Re: Issue with Changing Plan I have also tried going through the app and still got the same Oops message. Issue with Changing Plan I have beentrying to upgrade from One to Magenta Max. However, I keep getting an error message (see below). I have tried several times on my phone and on my computer and I keep getting the same message. Solved