I have psp 3.10 OE A and i tried to downgrade using someones downgrade pack and when i ran it the screen went black. I tried to turnit back on and it went black screen with the power light on and then it just went off. I left it for a whie i could access the recovery. I left it for a wile and then later i turned it back on and it tured on fully. Anyone knnow what happened???