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PS4 CFW and Hacks       Thread starter PSXHAX       Start date Jun 28, 2022 at 12:34 AM       15,284       41      
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Following the Elden Ring 9.03 PS4 Backport for 5.05 / 6.72 / 7.02 / 7.55 / 9.00 Firmware that hit the PlayStation 4 Scene last weekend, @CyB1K (Cyberpt1000 on Twitter) made available Sifu PS4 Update v1.06 (9.03) Fully Backported alongside confirmation from @opoisso893 (backport893 on Twitter) that Horizon Forbidden West will work on 6.72 and higher Firmware stating the size as, "About 81GB for base and updates between 1.8GB and 2.36GB (size of my rar files)."

When asked why an HFW PS4 Backport hasn't surfaced publicly yet, he replied in part, "Because I have only one word and I promised to not share it for the moment." which is understandable of course. :tup:

That said, both have made countless contributions in the scene and those seeking to support their continued efforts can do so via CyB1K's PayPal and opoisso893's Papayoux. <3

Here are the Sifu PS4 PKG details by @CyB1K among the PS4 PKGs in the private area from the CUSA30202 topic for Verified Members (Verification Guide) alongside some related Tweets below:

[CUSA30202] Sifu Update v1.06 Fully Backported


  • UP2703-CUSA30202_00-WUGUAN0000000001-A0100-V0100-CyB1K.pkg (7.90 GB)
Update Backported:
  • UP2703-CUSA30202_00-WUGUAN0000000001-A0106-V0100-CyB1K.pkg (7.59 GB)
  • UP2703-CUSA30202_00-WUGUAN0000000001-A0106-V0100-9.00-CyB1K.pkg (7.59 GB)
Install The Base Game "UP2703-CUSA30202_00-WUGUAN0000000001-A0100-V0100-CyB1K.pkg" Then Install This Update (No Fixes Required)

Notes: 5.05 / 6.72 / 7.02 / 7.55 Backport! Tested on 5.05! WATTAAAA! bleh epic lames...


By CyB1K

:arrow: Update: Sifu PS4 Update v1.11 (9.51) Fully Backported has also arrived via backport893 on Twitter with the release details below courtesy of @Archi55 from the private area CUSA25761 topic:

SIFU - CUSA25761 v1.00 [8.50]
Release with original keystone by @opoisso893 / @golemnight
  • SIFU_CUSA25761_v1.00_[8.50]_OPOISSO893.rar (7.90 GB)
SIFU - CUSA25761 v1.11 [8.50]
Works with @opoisso893 / @golemnight
  • SIFU_CUSA25761_v1.11_[8.50]_OPOISSO893.rar (7.82 GB)
SIFU - CUSA25761 v1.11 BACKPORT [5.05/6.72/7.xx/8.50]
Works with @opoisso893 / @golemnight
  • SIFU_CUSA25761_v1.11_BACKPORT_[5.05-6.72-7.xx-8.0x]_OPOISSO893.rar (7.82 GB)
Sifu PS4 Update v1.06 (9.03) Fully Backported and HFW 6.72+ Details.png



Senior Member
PS5 keys are in private, Flows BD hack allows ftp access on PS5. Install PS4 game on PS5, dump, use private keys to unencrypt, backport, profit?


Senior Member
Absolutely cookin' !!!

I could be wrong but my guess is that they are using PS5 and both private and public exploits/keys to make this happen. Just a guess and I may be wrong.
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