PS3Xploit.me is the official, updated domain for the PS3Xploit Team, serving as the central hub for installing PS3HEN and Custom Firmware (CFW) via the BG Toolset
So, why should you consider using ps3xploit.me to jailbreak your PS3? For starters, the benefits are numerous: ps3xploit.me
Yes, you can use PS3Xploit to install CFW. Prior to Thanksgiving of 2017, it was impossible to downgrade without a flasher device, ConsoleMods Wiki PS3Xploit