Button Combos

More System Information (< 3.15)

1. Hold down LTrigger+RTrigger+Left Dpad+Square for a couple seconds (5) then let go and press start to show
2. Let go start and press select to have it remain on display

More System Information (>= 3.15)

1. Push Left Analog Stick Up
2. Hold Left Analog Stick Down
3. Hold R trigger
4. Press Digital Pad Up button
5. Release Left Analog Stick Down
6. Wait 5 seconds
7. Release R trigger
8. Press Start and Select

Reset Vita Clock

PS+POWER+START+SELECT