When I try to switch to the "Recently Used Apps" screen (by holding the home button), the process
However, in Landscape mode it works as usual (and rotating the device makes it crash again).
Samsung Galaxy S4 Mini
EDIT: The system was not modified in any way (e.g. no root access).
Where can I find logs/files that provide me with additional info i.o. to trace the problem? Or what can I do to make it stop crashing (preferably not reseting)?
EDIT: Unfortunately, the issue mysteriously disappeared today and I cannot reproduce it any more.