- Today PlayStation 3 developer Rogero
has made available a PS3 MFW (Modified Firmware) that fixes the Trophies problem after a 3.70 to 3.55 PS3 console downgrade
followed by V2 below.
Download: Rogero MFW355 370 Spoof Internet Blocked LV1 Checks Patched PUP
/ Rogero MFW V2 (BD Patch) PUP
To quote: Last night I had the chance to try and downgrade a Slim Ps3 (JSD-001 board with Spansion NOR) version 3.70 to CFW 3.55 using Dospiedra
's downgrade v2 patches
I managed to get a clean dump of the NOR using my ProgSkeet (latest QT port used), created a patched Downgrade.bin image using the 6 patched files from Dospiedra and a hex editor, then I flashed the image to the PS3 NOR, dumped the NOR another time and verified that all was written fine.
Then I continued with the normal downgrade procedure, go into service mode, update using the 3.55_no_check.PUP,...