What has happened With My PSP??

Question

Recently I Got A PSP And i used Firmware 3.90M33-3

And I Got some problems and qouetions

Problems:

1.I use O(Circle) As a select button and X(Cross)as cancel button ;

but X should be the select button,,,What Has Happened?,,,How to Change?

2.What Is THE BEST VSH CONFIGURATION FOR FIRMWARE 3.90M33-3?

Question:

1.Why People use Older Firmware Instead for Latest One??I found That 3.71M33-2 Popular?? Why they don't use latest one?

2.What Is PSP Brick ?How To recover A PSP Brick?What Cause the PSP BRICK??

3What Is Pandora Battery And What is Downgrading?

PLZ Help I Dont Have Lots OF Knowledge About PSP

>>>>>>JUST GIVE THE ANSWER TO THE QUESTION THAT YOU KNOW<<<<<<<<

Answer 1

people use older systems so they can play emulators

Answer 2

dude, your psp is messed up

Answer 3

Just get used to what happened.