HERMES v4b CFW for 3.41
CECH-2101B (slim 250gb) (very easy, very stable)
From OFW 3.41 to CFW HERMES 3.41
I used the pre-patched file found in the first post and everything is working flawlessly. No crashing, no nothing. Very clean install from regular update on the XMB choosing to install from storage devise instead of network. All PSN games working, all pre-patched eboot games working from external and internal as if nothing had changed. Very happy I installed HERMES, very happy I didn't try others.
You have to install the payload different from the custom firmware. Here is the payload to install. Install it and under where the game managers are there will be the hermes payload you have to load each time in order to use the managers. Thanks.