: Use the MinVerChk (Minimum Version Checker) to see your console's factory-shipped version. If this tool reports a version higher than 3.56, your console is likely limited to HEN and cannot easily downgrade its base firmware. 2. Downgrading via Custom Firmware (CFW)
If you have to ask how to do it, you probably shouldn't. But if you want to try, search for "PS3 NOR Flasher Teensy guide"—and pray to the solder gods. how to downgrade ps3 firmware 4.89 to 4.88
Navigate to the "Memory Manager" within the toolset via the PS3 internet browser. : Use the MinVerChk (Minimum Version Checker) to