“How do I change the PS Vita background wallpaper?”
To customize the page background you’ll need to enter ‘edit mode’. Tap and hold anywhere on the screen for a few seconds to enter edit mode.
While you’re in edit mode, head over to the lower right hand section of the page and tap the Background Settings icon.
Select the background image you want for the PS Vita. Images saved on your memory card can be used for background wallpaper.
Tip: For the best image quality use your computer to set the image pixel dimensions to 960 X 544.