THIS IS A GUIDE TO GETTING CUSTOM FIRMWARE ON A PSP THAT IS NOT HACKED ( WITHOUT CUSTOM FIRMWARE) USING THE ChickHEN R2 Exploit found by Davee It will install custom firmware to any psp apart from psp 3000 (newest one with microphone) and PSP SLIM with TA-088-v3. ALL-IN-ONE FILE DOWNLOAD LINK: www.mediafire.com THANKS TO THE FOLLOWING: Thanks to: Davee for ChickHEN, Dark_Alex for 5.00 M33 And Hellcat for his CFW installer! If you have a psp 3000 or an unhackable firmware you may still play isos just check the following guide: pspslimhacks.com