While the specific details of the HFW-4.91.1-PS3UPDAT.PUP update are not provided, typically, a PlayStation 3 system software update might include:
Go to Settings > System Update > Automatic Update and turn it off . This prevents Sony from quietly downloading OFW 4.92. HFW-4.91.1-PS3UPDAT.PUP
install this if you already have a full, permanent CFW (like Evilnat) installed. This is for HEN/HFW users. If you are on 4.90 or lower, you update to this (or 4.91 OFW) before using the new PS3Toolset for jailbreaking. 📥 Download File Name: PS3UPDAT.PUP Download via Reddit r/ps3homebrew or ConsoleMods Wiki 🛠️ Installation Guide Prepare a USB drive (FAT32 format). Create a folder structure: USB > PS3 > UPDATE PS3UPDAT.PUP inside the Plug it into the right-hand USB port of your PS3. Settings > System Update > Update via Storage Media Follow the prompts. Once updated to 4.91.1, go to ps3xploit.me in your browser to install HEN! While the specific details of the HFW-4
The primary source where developers from Team PS3Xploit post release notes and technical requirements for new HFW versions. This is for HEN/HFW users
: This version is specifically tuned for the v3.3.0 (or newer) HEN release. It is currently the standard for "SuperSlim" and late "Slim" models that cannot support a Full Custom Firmware (CFW).