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PS3 Debug Firmware v4.20 (DGF) Update

Uploaded by PS4 News - 07-24-2012

PS3 Debug Firmware v4.20 (DGF) Downgrade File Update for use on TEST consoles only.

More details:

4.20 DEX Downgrader

Description: This file enables you to downgrade again from 4.20 DEX to a lower firmware version.


1. Create a PS3 folder on a FAT32 formatted USB stick
2. In that folder create a "UPDATE" folder
3. Copy this PUP inside that "UPDATE" folder
4. Insert the USB stick in your PS3
5. Go to system and update your PS3 through "Update via Storage Media"