Hold the power button down again. Release it immediately after hearing a quick double-beep.
The console will automatically restart during the process. Do not turn off the console during the update.
Disclaimer: Modifying your PS3 is done at your own risk. This guide is for educational purposes regarding the usage of custom firmware.
Before installing, check the MD5 hash of your .PUP file to ensure the download wasn't corrupted.
Before you begin any installation, verifying the integrity of your downloaded file is a step you cannot skip. A corrupted or tampered file can lead to a failed installation or, in a worst-case scenario, a bricked console (making it inoperable). HFW-4.91.1-PS3UPDAT.PUP
If it fails (common), close the browser, reopen it, and try again until the "Install HEN" icon appears on your XMB under the Game column. to install once your system is ready?
Download the official release from trusted scene mirrors like the ConsoleMods Wiki .
The system should detect "4.91-hybrid" or a similar variation. Follow the on-screen prompts to install it.
: This file acts as an exact clone of Sony's official system software, preserving full online access to the PlayStation Network (PSN), but swaps out the modern system browser for an older version containing a known entry point. Hold the power button down again
| Attribute | Value | |-----------|-------| | Exact Size | 200,318,976 bytes (varies by release group) | | MD5 (example) | 8f3a7b2c... (check with release group) | | Header Magic | #PUP (ASCII) | | Header Version | 0x0100 (PS3 update format) | | Compression | zlib (encrypted/compressed sections) |
Must be formatted to with an MBR (Master Boot Record) partition table. GPT partition schemes will fail. Directory Path
The file is the update file for Hybrid Firmware (HFW) version 4.91.1 , a modified version of the PlayStation 3 (PS3) system software . It is primarily used by the homebrew community to re-enable software vulnerabilities that Sony patched in official updates, specifically allowing for the installation of PS3HEN (Homebrew ENabler) on all console models. Purpose and Functionality
Sony's official system software, which controls everything on your PlayStation 3. Its updates are intended to improve system stability, security, and Blu-ray compatibility. The file name used for official updates has always been PS3UPDAT.PUP , saved in a specific folder structure ( PS3/UPDATE/ ) on a USB drive. Do not turn off the console during the update
PS3Xploit FlashWriter uses the vulnerabilities in HFW 4.91 to patch the console's flash memory directly from the internet browser. After applying the patch, you can then proceed to install a full, permanent Custom Firmware, such as the highly-regarded . This tool is a lifeline for those who want to restore the full power of CFW on compatible hardware after an official system update.
Users typically install HFW-4.91.1-PS3UPDAT.PUP for one of the following scenarios:
: While HFW 4.91.1 supports all models, newer official updates like version 4.93
