T-Mobile Sidekick II "setting bay account" Questions

...bay, but can't delete previous owners login username so that i can enter my own account, need help please!! press menu then go to system info and at the same time press menu shift x to erase flash ...

...bay and when I set up new phone it won't program. *228 doesn't work and I took it to the store and they were unable to fix. I need help PLEASE. I have been looking for 2 days to fix this prob and ...