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January 5, 2014 // 3:49 am - Following up on my previous update, today I have released Steven 4.53 Cobra v1.00 PS3 Custom Firmware (CFW) for those interested with details below.

Download: STEVEN_4.53_COBRA_V1.00-PS3UPDAT.PUP (199 MB - 208,790,639 bytes) / STEVEN_4.53_COBRA_V1.00-PS3UPDAT.PUP (Mirror) / SRC.rar

MD5: F17076DD5EC214DAA3BA6DD7FAD38300

Steven 4.53 Cobra v1.00 Features:

1. Built from 4.53 OFW
2. Patched All Core OS ECDSA Check
3. Patched LV1 to disable LV2 Protection
4. Patched LV1 to add peek/poke support
5. Patched LV2 to add peek/poke support
6. It can run Games Signed with Keys up to 4.53
7. No BT/BD Patches to allow installation on consoles with broken BluRay Drive or Bluetooth board.
8. App_Home/IPF
9. ReActPSN patch
10. RSOD Screen Bypasses
11. QA Flag enabled by default
12. This CFW can be installed on console with 3.55 OFW version or lower and Any CFW Version
13. Better System Stability and Speed
14. PSN/SEN access without spoof needed
15. Original Coldboot and Sound
16. Add In Game ScreenShot Feature
17. Cobra 7.00 Ported

  • added category_xml (webMAN's) as default


  • use ps2 classic for ps2iso game
  • psp not working

Thanks Habib for his work porting Cobra to 4.53

Steven 4.53 Cobra v1.00 PS3 Custom Firmware (CFW) is Released

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#39 - misiozol - July 10, 2014 // 9:48 am
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Hardware flasher.

#38 - anik - July 10, 2014 // 7:44 am
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hi. I have a question if you can help me grateful.

I have a ps3 CECH - 2104B but has the ofw 4.53 which the only way to move to the cfw?

#37 - digitalrealm - May 13, 2014 // 5:32 am
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Ok, I'm a noob. I'm currently on Habib 4.53. How do I install this and will this enable me to put a ps2 .iso into a file on the ps3 internel hdd and then be able to select and play the .iso through a manager such as multiman? Thanks in advance!

#36 - Romualdpsp - January 16, 2014 // 7:09 am
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Awesome. thanks drphuz

#35 - StevenTj - January 16, 2014 // 1:27 am
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Yep, one of the features is Full Discless compatibility. Qa enabled by default if on 3.55 has been enabled. Also all isos will work just fine.

But depending on game condition (corrupt or not)

Thanks drphuz

#34 - drphuz - January 15, 2014 // 9:35 pm
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QA not working on my slim. Couldn't downgrade via normal methods. May be just a fluke, but i'm going to repeat process and see if it happens again.

Update, working fine. Team Rebug 9.99 downdraged. OFW 3.55. Then install your new 4.53PUP. Voila.

MultiMan loves this fw. GHOSTS works great no blackscreen. Even plays Bejeweled 2 JPN.

#33 - StevenTj - January 15, 2014 // 8:30 pm
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New link:

#32 - Romualdpsp - January 15, 2014 // 10:02 am
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Hello. My ps3 fw 3.66 cech 2xxx to cfw help thanks

#31 - sorg - January 15, 2014 // 2:47 am
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does it support PS2 HW Emu on BC console?

I only see 4.53 releases without PS2 HW emu support (or at least not tested) which is useless for me. Did anyone managed to make all features of Cobra-Rogero 4.46 working on 4.53?

#30 - StevenTj - January 15, 2014 // 1:27 am
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Following up on my previous update, today I have released Steven 4.53 Cobra v1.01 PS3 Custom Firmware (CFW) for those interested with the changes outlined below.

Download: STEVEN_4.53_COBRA_V1.01-PS3UPDAT.pup (199 MB - 208,708,197 bytes) / STEVEN_4.53_COBRA_V1.01-PS3UPDAT.pup (Mirror) / STEVEN_4.53_COBRA_V1.01-PS3UPDAT.PUP (Mirror #2)

MD5: 7638AADF6E6FBB23BD08BFCE254F16C2

STEVEN 4.53 COBRA V1.01 Changelog:

  • Now I managed to manually unpack & repack .PUP, and so now:
  • PSP Bugs Gone (I Hope)
  • Support PS2 ISO**

**Thanks to Habib for his ps2_netemu.self


  • Made from original firmware 4:53.
  • Patched all Core OS ECDSA.
  • LV1 and LV2 patched to disable the protection.
  • Patched to add support for LV1 Peek / Poke.
  • LV2 patched to add support to the Peek / Poke.
  • Ability to start the games signed up to the firmware 4:53.
  • Added patch for the Playstation 3 with player broken or not working.
  • App_Home and Install Package Files.
  • Added patch for offline ReactPSN.
  • RSOD Screen Bypasses.
  • QA Flag enabled by default.
  • Can upgrade from any custom firmware.
  • Firmware can be upgraded by ONLY 3.55.
  • Stable and fast.
  • Access to SEN / PSN without using spoof.
  • Coldboot Sony and original sounds.
  • Support InGame XMB ScreenShot Feature.
  • Porting Cobra 7.00.
  • Added xml category_game (WebMan support).
  • Added full support for ISO PSP through launcher.
  • Added support for ISO PS2 (Thanks to Habib for his version of pachata ps2_netemu.self).

Note: Support for the ISO Ps2 will be available only through the connection of the controller via USB.

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