I have successfully installed regero cfw on my ps3 without incident,
console:
2010 model-2501a
3.55mfw>dehashed to 3.41 then back to my 3.55mfw and then upgraded to regero 4.21cfw from xmb and thats how the ppl who bricked their console had to go about it =,make sure u dehash ur console and my console have been downgrade from 4.11ofw and had already dehased it once and did it again to make sure nothin went wrong plus i have a e3 on standby just in case. its imperetive that these steps are taken...!!!,i also made a video of me playin Ferrari Racing Legends whichis a 4.10 game and it also played from app_home and i must say that this cfw is very stable indeed....:)
console:
2010 model-2501a
3.55mfw>dehashed to 3.41 then back to my 3.55mfw and then upgraded to regero 4.21cfw from xmb and thats how the ppl who bricked their console had to go about it =,make sure u dehash ur console and my console have been downgrade from 4.11ofw and had already dehased it once and did it again to make sure nothin went wrong plus i have a e3 on standby just in case. its imperetive that these steps are taken...!!!,i also made a video of me playin Ferrari Racing Legends whichis a 4.10 game and it also played from app_home and i must say that this cfw is very stable indeed....:)