Originally Posted by Flumme
Sorry if I hijack the thread with my, possibly different, problem.
I run Tasker, and it warns me that the amount of available RAM is getting low, and that I need to reboot the device. I have three or four active profiles, mostly managing profile settings like volume, based on locale and time of day. It most often happens when the profiles change...
If the OP has a radically different problem, I apologise and will post a new thread.
That may be a tasker specific issue. I have had that on the desire a few times but never on the SGS 3.
Even on the desire, when I looked at RAM, there was plenty free.