It's understandable you have a life.. but at the same time, if you want information you have to do the work and research. All the information you're asking for is in this thread... multiple times.
It's extremely frustrating for some people who are on these threads to have to see the same questions asked over and over because people are often too lazy to bother spending a couple of minutes and re-reading what's already been answered. There's often a sense of entitlement to an immediate answer without having to put any leg work in.
If you don't have the time, then don't expect an answer. And if keeping your UDP is worth it to you, do the research. If you don't have the time, then keeping your UDP isn't that important to you. Simple as that.
I certianly hope that my Doctor had the time to read his books and go to class. But I guess some here would find it perfectly acceptable if he didn't read all the material because he was busy.
On that note.. anyone know if I can transfer my upgrade from my UDP onto another line and switch it back and keep my UDP?

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Which method did you use? The online activation without turning the phone on? Also, did you use an upgrade from another line that is tied to your account?