So after contemplating doing the 3.0 on my f90bt I pulled the trigger and did it. It went well except I couldn't do the msn update. So now when I shut the unit down it loses the memory for the illumination color. It's kind of annoying. My msn works sometimes. It will show full strength then other times it doesn't even register at all it's grated out. What the he'll is wrong with this?0

Try to reinstall 2nd SD card. Turn off key. Place 2nd card in slot. Startup, From the top menu. Press Desination. Then press Msn-Direct Icon. Then press status. Update should run.

so the msn firmware finally installed and is working well ( ive got my fingers crossed that it lasts). still can't get the illumination to stay at what i put it to. i set it then when i shut it off it's gone and doing the stupid random cycle. w