I am from the UK and i can tell you,
I got my psp on September 1st when they first came out over here, but by October (the second major shipment) thry were all running 2.0. I can tell you this cos my m8 got 1 of the second shipment and it already had 2.0
So, i think they are all TA-082 which means 2.5, but you might get lucky online, i would say AMAzon if anywhere would have it.
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