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Category PS4 Jailbreaking       Thread starter PSXHAX       Start date Jan 27, 2019 at 4:04 PM       190,732       147            
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Recently developer Fire30 shared on Twitter some PS4 Firmware 6.20 Build Strings which have been added to the Dev Wiki displaying the current status as 'dumped' leaving many asking the proverbial question of ETA WEN for a public kernel exploit release to complement the PS4 6.XX JSC_ConcatMemcpy WebKit Exploit so PlayStation 4 consoles on recent Firmware can be jailbroken. :unsure:

Previously Fire30 publicly released a PS4 Webkit Exploit PoC for 2.XX OFW, PS4 HENkaku Exploit for 3.55 Code Execution and FireKaku PS4 3.15 / 3.50 OFW Ports of the exploit... so although he may decide not to do a public 6.20 release at least he has a track record of sharing his findings publicly with the PS4 scene in the past. :lovewins:

To speculate briefly, besides obvious legal hassles a reason he may opt against doing a public 6.20 kxploit release is what developer @Mathieulh (Twitter) mentioned on Discord last month... to quote:

"No one is interested in doing a release for various reasons including how we don't have any other exploit chain after this one XD"

Like it or not, that's a compelling reason to keep things private (for the moment) among PS4 developers since end-users can still obtain jailbreakable consoles if they're willing to pay what those selling them are asking.

Code:
cat 620.elf | head -c 4096 | sha1sum 2e83ab92cf84da74b526db13500f4611583f7c45 -
Code:
r109816/release_branches/release_06.200 Nov 2 2018 05:41:33

PS4 Testkit Build String (5.50 - 6.20) via MrNiato
Code:
6.20 : r109816/release_branches/release_06.200 Nov 2 2018 6:41:43 AM
6.02 : r108670/release_branches/release_06.020 Oct 15 2018 3:37:52 PM
5.55 : r96810/release_branches/release_05.550 May 10 2018 12:40:23 PM
5.53 : r91210/release_branches/release_05.530 Mar 28 2018 6:30:33 AM
5.50 : r90807/release_branches/release_05.500 Mar 2 2018 6:29:37 AM
From Pastebin.com comes more PS4 developer build strings since the 6.50 BETA: :fire:
Code:
release: 0x06503010
build: cex
security-repository-path: release_branches/release_06.500
security-revision: 9852
sys-repository-path: release_branches/release_06.500
sys-revision: 117453
***-internal-build-number: 110553
middleware-repository-path: release_branches/release_06.500
middleware-revision: 20512
middleware-build-number: 70689
vsh-repository-path: release_branches/release_06.500
vsh-revision: 172011
vsh-build-number: 1120522
Spoiler
Code:
CEX | 2.03 | r47215/release_branches/release_02.030 Nov 25 2014 05:39:10 | decrypted

DEX | 1.051 | r29941/release_branches/release_01.051 Oct  3 2013 23:56:24 | dumped
Thanks to @MrNiato (Twitter) for passing along this news earlier on! (y)
PS4 6.20 Build Strings by Fire30, ETA WEN for Kernel Exploit.jpg
 

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Koh23

Senior Member
Contributor
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I really dont hope that this will result in 6.20 public exploit...... One day maybe, but not now, while firmware is current.

Maybe im wrong....
 

SirSilvan83

Senior Member
Contributor
Verified
But it seems that my assumption is correct and currently only one kexploit is existing and nobody want to waste it as long as Sony hasn't fix it.

Quotation is if Sony ever will fix it as long as it isn't public... :whistle:
 

kingpinrules

Senior Member
Contributor
I hope we see more home brew stuff as well ...

Sony will be watching this forum very closely ... lol

lets see how long before we see another ps4 software update.
 

Melo90

Member
Contributor
Verified
I updated to 6.20 losing jailbreak 5.05, i can't wait for kh3. Until will be relased a permanent cfw for every fw, i will not install any jailbreak
 
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