Yes! you can hack it! First run software update and update to 6.60. Then, download
You must login or register to view this content. the first file. Then extract to desktop. Now, on your desktop, open the PSP Folder, then open the game folder. Now copy & paste CIPL FLASHER and PROUPDATE to your game dictionary in your psp. Now, run PROUPDATE. Now, after you run PROUPDATE, run CIPL FLASHER. Then you'll have 6.60 PRO-B10