ContribucionesMost RecentMost LikesSolutionsRe: I'm getting an error trying to buy a new iPhone and a new line I’m on the “Magenta 1.0 Amplified” plan with 2 phone lines and2 Apple Watch lines. Re: I'm getting an error trying to buy a new iPhone and a new line I'm having this issue as well. I've been in the iPhone Upgrade Program for a couple years and I wanted to switch my current iPhone 12 Pro for a 12 mini when I got this error.