Sony PlayStation Portable (PSP) Console "unsigned" Questions

...Not your only able to install unsigned drivers on Windows XP and Vista 32Bit versions. 64Bit versions of Windows XP and Vista ...

...that inserts custom code into the firmware(operating system pretty much) files and allows it to run unsigned code/skip security data, etc. If you have a friend with a pre-modified PSP ask him/her to ...

...is no. The motherboard has been changed, and the setup cannot currently be downgraded to 1.5 to run unsigned code. The case is the same with the newest PSP Slims with the ta088v3 motherboard. There ...

...ask them, I'm not positive. :) Brick mean the PSP is partially or fully dead when you try to run an unsigned code for downgrading/ hacking. Call Sony if you have warrenty or use the Pandora Battery ...