You should try doing a factory reset and don't add all you third party apps back. If the lock ups don't start up try adding your apps back one by one to eliminate any of them. If you have the same problems after the reset I would take your phone in for a replacement.
FWIW, every replacement phone I have ever received has been just as good as brand new - reconditioned or not.
I am trying to uninstall however it is difficult as the touch screen doesn't seem to work when touched or it reacts VERRRRYYYYY SSSSLLLLOOOWWW!!! That is the most frustrating part is trying to do ANYTHING on it now. I was able to get it to finally totally power off but silly me turned it back on and now it won't shut off again, and is still locking up. sigh.![]()