Bit of help

Well i was on LG on my PSP and it was on the mobile mood(thee display)
I hit switch to Pc mode and it shows up like it normally does like on a pc screen. I was wondering how do i switch back to mobile mood?
Help please?
+ Rep to any1 who can help

bottom right:

Or bottom left if your on the old layout.

Once on Mobile mode Look next to the logout buttin it'll say something like desktop screen or something like that, and it'll return to normal. Logical 2.5 is recommended cause it's fucking beast.