Hi, First of all this is my very first thread in this forum. I have few question for my psp I search lots of forums but useless because I cant find the answers which is satisfying. So I have faith on this forum please help me out and thanks in advance. My firmware is 3.52M33-4 1. I have IRShell 3.61 and Remotejoy homebrews installed on my psp but both not work. I can’t play iso from my pc via data cable through Irshell whenever I do my psp restarts. And Remotejoy totally not worked. (all worked before on 3.40OE-A) 2. I am also facing problems with ps1 games they can start just generate errors. (all worked before on 3.40OE-A) 3. If I want to downgrade to 3.40OE-A then what should I do? Please give me detail tut. I don’t wana use Pandora method. 4. Is this right thing If I upgrade to 3.71M33 with 1.50 kernel patched? Give me your suggestions. 5. I have 2 memory sticks each one is 2gb capacity. One was corrupted doing saving games it show the msg on the screen that” memory is full” and when I return to xmb I cant show anything even It cant be formatted now I already used lots of software to format or recover it but failed please tell me the right software or suggestion what should I do. I hope you guys help me out from these problem and again thanks in advance.