I am sorry my bad english Maybe because of my limited english, I already tried to search in google for this doubt , but I do not found the answer. I will try to explain my doubt: I do not have yet a PSP, but, I want to buy it next month. I already ordered from Japan a PSP game named Hatsune Miku Project Diva 2nd. I will buy a PSP only If this game really arrive in my house, to buy a game from Japan always is risk and maybe the game never reach my house. I want to collect all genuine Hatsune Miku games, I buy the PS3 version and I really liked this game a lot. But, If I have a PSP, and I want to play hacked games too, specially some fan made translations, like the PSP game of Oreimo. I want to buy the PS3 port of the PSP game of MIku named "Dreamy Theater", but, I already found out that to link my PSP in my PS3 to share my PSP save data of Hatsune Miku with the PS3 version of the game, I need the latest official firmware. Then, this is my question: is possible to update my PSP to OFW , transfer my save data to PS3 using my genuine copy of my PSP game, and after it to change again to CFW to play others games, or If I update my PSP will become impossible to change again it to CFW forever ?