Try theese first 2 cabs for issue number #3 and they will also give you back much needed RAM. I included the last 2 cabs since it looks like your running wm6.1 OS.
If you decide to flash and incase to get rid of most of theese problems (like phantom messaging) you need some help here are 2 links to How to videos. Make sure you read up on how to unlock the phone 1st.
http://thewingster.com/howflashtp2romcdma.aspx
http://video.najoomi.com/videos/te7C...2-Rhodium.html
hope that helps for now.