Last week we caught wind of a post on NeoGAF that suggested players would have to do a factory reset of their PS Vita in order to change the PSN account associated with it. Quite the inconvenience for those who own multiple accounts, and many saw it as a move on Sony's part to enforce the consumption of region-specific DLC and game releases.
It looks like Wired was finally able to get a straight answer from Sony (unlike the previous "clarification" we received). According to Crystal MacKenzie, a brand manager for Sony, it's each memory card, not PS Vita device, that will be locked to a particular PSN account. The factory reset comes in if you want to change the account that's bound to a card, but, to swap accounts, all you have to do is change cards.
Here is the direct quote:
"Your PSN ID is bonded to your memory card and your memory card is bonded to your Vita," MacKenzie said. "So if you wanted to change different PSN users but use the same memory card, you would need to go factory reset."
I can't say I quite understand the logic behind having to do a factory reset of the device to alter the contents of a memory card -- it may have something to do with using a unique hardware ID to sign the cards -- but this is good news. Not great, as you'll have to buy multiple cards if you want to easily jump accounts. Considering the cards are proprietary, it won't exactly be cheap.
Vita Will Allow Multiple PSN Accounts, Sony Says [Wired, thanks Pariah]