i have a vita with fw 3.18 it is not registered with my psn account or something like that as it demands i update fw, i have tried qcma on laptop but that also demands i need to update, i have managed to do db.app file trick, just cant seem to get to copy either my psp game space invaders extreme euro edition off psn also on ps3 to vita or copy vita game saves to vita, i have tried using charles but couldnt do it, also open cma which als didnt work, i dont want to update if i can help it as everyone says 3.18 is best for what i want. any help would be appreciated.