Forum Discussion
Trade in an old device on an existing line
Today, I went into my T-Mobile account and click through to upgrade a device, selected the iPhone 13 128GB, and chose the iPhone 8 on an existing line for trade-in and it said I would get $600 bill c...
Unfortunately when upgrading for iPhones you're going to need to change your plan to the Magenta.
Personally I've never traded in a phone. I've read too many complaints on this forum.
