Hi: My phone has been back and forth--I upgraded to 4.0 and chose to multitask--not a good idea as phone slowed right down--went back to 3.1.2, which is very stable, but I now have battery issues--my battery shows full all the time even when it is empty. I am going to upgrade to 4.1 or 4.2 (maybe that will fix the issue) and not choose to multitask, so the phone should run fine (or so I hope). Plan on keeping my baseband where it is at now--05.13.04-5.9_M3S2. Do any 3G (not 3GS) users who are not multitasking have any opinions on which is more stable--4.1 or 4.2??