With this tool you can go Online with the 3.55.1 CFW (need Dev Settings).
How it works:
1. Start cotojestwtf Server Mapper
2. Click Y if the IP on PC the right.
3. Set up PS3 DNS 1. from PC and 2. Router ( 8.8.8.8 )
4. Connect to PSN
5. ONLINE PLAYY
this Games works:
-Call of Duty 4
-Call of Duty: Modern Warfare 2
-Call of Duty: Black Ops
-Call of Duty: World At War
-Colin McRae: DiRT 2
-James Bond 007: Blood Stone
-Medal of Honor
-Skate 3
-WWE: All Stars
-Grand Theft Auto IV: Episodes From Liberty City
-FIFA 11
WOOOOW