Tridrakious on 18 December 2011
That didn't take long...
It’s not known yet exactly what the firmware update does, but the update is not optional, with Vita users having to update the handheld to use all the features and play all the games. If you have a Vita, you can update over Wi-Fi, PS3, PC or 3G with a 3G capable Vita. More information is available on the official firmware update page.
http://playstationlifestyle.net/2011/12/16/playstation-vita-firmware-update-v1-50-released/
