ContributionsMost RecentMost LikesSolutionsI bought a new phone (not from T-Mobile), how do I tell T-Mobile? I bought a Nokia 2780 flip phone. It’s working on my T-Mobile account, but T-Mobile thinks I have a different model of phone. How do I tell it my new phone model, IMEI, etc.? SolvedWant to increase number of rings before voicemail I am slow to answer my phone, and I hate receiving voicemail messages. I’d like to increase the number of rings (or time) before voicemail answers my phone for me. Solved