I'm really confused right now. I've read some threads about creating backups of text messages but I'm still confused. I'm planning to upgrade my iPhone 4S to iOS 5.0.1 "to fix the battery issue" (I hope it really fixes it) but I don't want my messages to be deleted. I'm planning to update, not to restore so does that mean that when I perform the update, I will not lose my messages and other stuff if I create a backup in iTunes? 
Also, about the battery fix, what should I do, should I restore my iPhone 4S? or just do an update then do the reset all settings thing?
I'm using this thread as my guide: https://discussions.apple.com/thread/3484755?start=0&tstart=0

Also, about the battery fix, what should I do, should I restore my iPhone 4S? or just do an update then do the reset all settings thing?
I'm using this thread as my guide: https://discussions.apple.com/thread/3484755?start=0&tstart=0