1. Jeyo mobile companion will save and restore your text messages.
2. Backup more often than once a week. Use Sprite, not xbackup.
3. You can't uninstall a BT stack. Likely if you have the 3500 stack without the 3600 BtCeStack.dll you need to do the audiovox update or the 2.04 update.
4. If you turn BT off your problem will go away.
5. The HS820 doesn't have the stereo audio profile so you can't play music

and
most importantly

READ THE THREAD INSTEAD OF SAYING YOU NOTICED IT'S MORE THAN 30 PAGES. READ IT.

Ehud