How To Downgrade Ps3 Firmware 4.89 To 4.88 -

Place the 4.88 CFW file (renamed to PS3UPDAT.PUP ) into the UPDATE folder.

: Once flags are enabled, place the 4.88 CFW update file on a FAT32-formatted USB drive in the folder structure PS3/UPDATE/PS3UPDAT.PUP . You can then install it via the standard "System Update" menu or Safe Mode. Scenario B: You are on Official Firmware (OFW) 4.89

If the power cuts during the Flash Memory Patching (Step 2), your PS3 will become a "brick" (unfixable). how to downgrade ps3 firmware 4.89 to 4.88

You cannot jump straight from modified official firmware to an older firmware. You must bridge the gap using a 4.89 CFW that permits downgrading.

Before attempting to downgrade your PS3 firmware, make sure you: Place the 4

: This process format changes system files. Back up your saved games, trophies, and media to an external drive first.

This is the standard method, but it requires that you are like Evilnat 4.89. If you are on official Sony firmware, this method will not work. Scenario B: You are on Official Firmware (OFW) 4

Flashing system firmware alters your console's core EEPROM data. Follow instructions carefully to avoid bricking your console.