HTC PPC-6800 Smartphone "screen flashes cut phone" Questions

...screen and a red flashing light my phone said sim card error so i took the battery out of it before cutting it off, fixed the sim card, and put the battery back in, now all my phone is doing is ...

...of the problem. The phone just shuts off,which makes the call drop, then the screen will light up, the little time clock will start flashing and spinning around, and then the phone will come back

phone one day and the screen just wouldn't come on. I knew that it had power because the green light was flashing so i tried reinserting the battery and cutting it back on but nothing happened. Then I

...phone crashes and I don't get a chance to back it up, because it happens all of a sudden. Just finished making a call and look up 5 minutes later and it was flashing the start-up screen. It just keep ...

...cut battery power, wipe all data, and regress a Treo 600 to its factory-fresh state. It only works on a Treo 600 smartphone. Important: A battery disconnect reset will erase everything on your ...