This process involves writing to the PSP’s flash memory. While safe if followed correctly, always ensure your battery is 100% charged and your AC adapter is plugged in.
You must use a Custom Firmware Enabler (like Hellcat’s Recovery Flasher) or a Light Version Updater to flash the new firmware directly, bypassing Sony’s version checks. psp 352 m33 upgrade to 660 portable
The safest path is to return to an official Sony firmware (OFW) first, then bridge to 6.60. Phase 1: Preparing for the Jump Charge Your Battery : Ensure it is at This process involves writing to the PSP’s flash memory