Deactivate second hand PS Vita / password unkown

My Gf baught me a used PS Vita with a used 8gb memory card.

anyway is it possible to deactivate the old users account from the memory card/vita, without the password.

Did sony really set it up so I have to buy a new memory card?

Power off the system and hold down the power button, right trigger, and playstation button at the same time and then a list of options will pop up. You can choose to restore the PS Vita, and format the memory card.

Power off the system and hold down the power button, right trigger, and playstation button at the same time and then a list of options will pop up. You can choose to restore the PS Vita, and format the memory card.

IdioticIcarus

I find it hard to believe that people who trade in their used systems would not wipe them clean of their personal info, or that the stores that bought them wouldn't re-format them before selling.

Every time I read stories like this I think the system might be stolen, and posters are unknowingly helping out a criminal.