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PS3 developer Evilnat has made a new update of his CFW 4.91 Evilnat Cobra 8.5 with 4 variations (CEX/DEX/PEX/D-PEX) & several new features including a new Cobra payload, OtherOS support and a port of 4.84 DEX to 4.91 (aka PEX). In addition to the known features from CFW 4.90 like built-in File manager in XMB, Option to toggle Cobra debug/normal versions, disable CFW syscalls, block PSN login if CFW syscalls are enabled, offline activation of PSN account, QA Flags, FAN Tools, Save Data conversion, this release comes with new features like:

  • Target Manager patched to show version 4.9.1
  • Encrypted ISO support from FAT32/exFAT/NTFS
  • Patched CBOMB issue
  • Enabled [★Unlock], [★Lock], and [★Delete] options in Trophies
  • Opcode to toggle hidden trophy info (by Evilnat)
  • Added gameboot_multi.ac3
  • Bypassed PAL broadcast error on BD/DVD movies
  • Toggle OFW Mode on Boot (by aldostools and Evilnat)
  • For a more detailed list of features check the Official Release @PSX-PLACE

    New BETA 5: @Evilnat post UPDATED: APRIL 16TH, 2024

    + Fixed FAN max speed, now it shows 0xFF and 100%
    + Temporary disabled “Load External Cobra”
    + Reverted code for cobra in Kernel

    - Added option to enable full QA Flags
    - Fixed xai_plugin description for IDPS/PSID/MAC spoofing from “/dev_hdd0/tmp”
    - Added TTY output in socat using Cobra Debug
    - New kernel/Cobra payload build
    - Fixed random freezes/crashes (Tested for several hours thanks to @ktemanuel)
    - Cobra updated to 8.5
    - Fixed blackscreen/freeze while launching PS3/PSP/PSX ISOS
    - Fixed freeze while installing PKGs from external exFAT/NTFS device
    - Reverted patch that caused problems while playing BD movies
    - Updated Trophy Unlocker to version 1.1
    - Created [noBD] variants for PEX and D-PEX
    - [COBRA] Added support for REDUMP ISOS decryption on-the-fly
    - [COBRA/XAI] Opcode to toggle coldboot animation
    - [COBRA/XAI] Opcode to toggle epilepsy warning
    - [COBRA/XAI] Opcode to toggle gameboot animation and sound
    - [COBRA/XAI] Opcode to toggle hidden trophy info
    - [COBRA/XAI] Target Manager fix for DEX
    - [COBRA/XAI] Added cellUsb000_mount_symbol
    - [COBRA/XAI] Added usb_flag and no_cobra flags
    - [COBRA/XAI] Option to toggle PS2 disc icon (ISO/BIN. ENC) in XMB
    - [COBRA/XAI] Enabled hidden trophy’s title/details/icon in XMB
    - [COBRA/XAI] Enabled hidden trophy’s title/details/icon INGAME

    Download: MEGA FOLDER WITH CFW OF EVILNAT 4.91.2 BETA 5 (April 16TH, 2024)

  • CFW Evilnat 4.91.2 COBRA 8.5 BETA 5 [CEX]
  • CFW Evilnat 4.91.2 COBRA 8.5 BETA 5 [PEX]
  • CFW Evilnat 4.91.2 COBRA 8.5 BETA 5 [D-PEX]


  • Older releases of CFW 4.91 Evilnat…
    Download: MEGA FOLDER WITH CFW OF EVILNAT 4.91.2 BETA 4 (April 6TH, 2024)

  • CFW Evilnat 4.91.2 COBRA 8.5 BETA 4 [PEX]
  • CFW Evilnat 4.91.2 COBRA 8.5 BETA 4 [D-PEX]
  • Download: MEGA FOLDER WITH CFW OF EVILNAT 4.91.2 BETA 3 (April 2nd, 2024)

    - New kernel/Cobra payload build
    - Fixed random freezes/crashes (Tested for several hours thanks to @ktemanuel)
    - Cobra updated to 8.5
    - Fixed blackscreen/freeze while launching PS3/PSP/PSX ISOS
    - Fixed freeze while installing PKGs from external exFAT/NTFS device
    - Reverted patch that caused problems while playing BD movies
    - Updated Trophy Unlocker to version 1.1
    - Created [noBD] variants for PEX and D-PEX
    - [COBRA] Added support for REDUMP ISOS decryption on-the-fly
    - [COBRA/XAI] Opcode to toggle coldboot animation
    - [COBRA/XAI] Opcode to toggle epilepsy warning
    - [COBRA/XAI] Opcode to toggle gameboot animation and sound
    - [COBRA/XAI] Opcode to toggle hidden trophy info
    - [COBRA/XAI] Target Manager fix for DEX
    - [COBRA/XAI] Added cellUsb000_mount_symbol
    - [COBRA/XAI] Added usb_flag and no_cobra flags
    - [COBRA/XAI] Option to toggle PS2 disc icon (ISO/BIN. ENC) in XMB
    - [COBRA/XAI] Enabled hidden trophy’s title/details/icon in XMB
    - [COBRA/XAI] Enabled hidden trophy’s title/details/icon INGAME

    4.91.2 BETA 2: @Evilnat post UPDATED: MARCH 29TH, 2024

    - Cobra updated to 8.5
    - Fixed blackscreen/freeze while launching PS3/PSP/PSX ISOs
    - Fixed freeze while installing PKGs from external exFAT/NTFS device
    - Reverted patch that caused problems while playing BD movies
    - Updated Trophy Unlocker to version 1.1
    - Created [noBD] variants for PEX and D-PEX

    Download: MEGA FOLDER WITH CFW OF EVILNAT 4.91.2 BETA 2 (March 29th, 2024)

  • CFW Evilnat 4.91.2 COBRA 8.5 BETA 2 [PEX] / [PEX][noBD]
  • CFW Evilnat 4.91.2 COBRA 8.5 BETA 2 [D-PEX] / [D-PEX][noBD]
  • Download: MEGA FOLDER WITH CFW OF EVILNAT 4.91.2 BETA 1 (March 24th, 2024)

  • CFW Evilnat 4.91.2 COBRA 8.4 BETA 1 [PEX]
  • CFW Evilnat 4.91.2 COBRA 8.4 BETA 1 [D-PEX]
  • Bug Fix: @Evilnat post UPDATED: MARCH 12TH, 2024
    - Freezes while installing PKG from external HDD ntfs/exfat
    - Loading plugins with boot_plugins_nocobra.txt and boot_plugins_kernel_nocobra.txt
    - Random freezes while loading PSP/PS3/PS2 ISOs

    Download: CFW 4.91 Evilnat Cobra 8.4 [PEX] [CEX] (March 12th, 2024)
    PUP MD5: 31043D25D771D13B5EFDC0C6E2654072

    Download: CFW 4.91 Evilnat Cobra 8.4 [CEX] (March 12th, 2024)
    PUP MD5: A7C82D108BEB5F3C94B3C5BEA6B6AD08

    Download: MEGA FOLDER WITH ALL OTHER CFW VERSIONS OF EVILNAT 4.91 (March 12th, 2024)

  • CFW Evilnat 4.91 COBRA 8.4 [CEX]
  • CFW Evilnat 4.91 COBRA 8.4 [DEX]
  • CFW Evilnat 4.91 COBRA 8.4 [PEX] [CEX]
  • CFW Evilnat 4.91 COBRA 8.4 [D-PEX] [DEX]
  • Download: Littlebalup’s 4.91 Dual Boot firmware – OFW that lets reinstall CFW. Only for PS3 already on CFW.
    PUP MD5: 01F196151B007D003D35746C81AAA98C

    Download: Littlebalup’s 4.91 Dual Boot & Hybrid firmware – HFW that lets reinstall CFW. Only for PS3 on CFW.
    PUP MD5: 310D64F26382E2B1AA4377D33A3C2FE2

  • Use BGToolset 1.2.007 to your jailbreak PS3 currently on HFW/OFW 4.75 up to 4.91.
  • For self hosted jaillbreak use PS3Xploit Flasher Writer 4.90. It will be updated soon to support 4.91.

    If your console is already on custom firmware just install CFW Evilnat 4.91 over your current version from XMB or recovery menu.

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