So, what exactly does Firmware 3.74 bring to the table? Here are some of the key changes and improvements:
For the average user who just wants to play physical cartridges and access their digital library, for PSN access. However, for the power user, 3.74 is simply a stepping stone to installing custom software and then downgrading to a more stable version like 3.65. Are you looking to install homebrew/emulators ?