Discussion of Theories for Newer PS4 Games on 4.05 Firmware

Following the recent PS4 Barthen Method for getting newer games running with PS4HEN, some forum members including @SkysTheLimit, @Goldenboy22 and @Picalo would like to open a discussion of theories on how newer PlayStation 4 game dumps can become playable on exploited 4.05 Firmware consoles.

We'll use this as an ongoing discussion thread for those who'd like to share their insight and research into getting newer PS4 games with Minimum Firmware Versions above 4.05 OFW dumped and running, which according to Mathieulh is currently the BEST PS4 Firmware to be on as 1.76 is now considered outdated since the 4.05 exploit chain from SpecterDev with popular 4.05 exploit forks and experiments by IDC alongside the PS4 Exploit Host by Al Azif.

Here are links to some current theories from the Barthen Method topic:

• From Goldenboy22
• From SkysTheLimit
• From Picalo
• Follow up by SkysTheLimit

Finally, below are some other PS4 MEME and Tweets making rounds on Twitter today:
Cheers to @B7U3 C50SS and @SSShowmik for tips in the PSXHAX Shoutbox!

 

[Progamerxx]

Your right it would have been no problem to modify all files, but the easiest way to change the change the minimum required fw version can be achieved through the param.sfo.

 

[phaedrus]

make variable static declare at start during compile "MIN_FIRMWARE_VERSION", SCE say make new games 4.07, enforce new kernel. Dev House recompile, edit only MIN_FIRMWARE_VERSION static.

If case, good for us, if game not new code to use extra S-D-K features new version, just tool force version check drive new SCE firmware use.

 

[BigWadger]

if the sfo is bypassed with spoof then the pkg is open and eboot is already loaded into memory to check the min fw string and give the error, you just need to find it, Other prx can be used from lower fws if they dont get loaded the same way, If there is no sign of the eboot in memory then the error is given because of an unknown key to samu and it dosnt load nothing into memory.

Personally It was done on a higher fw exploit probably 4.07 as all the info/webkit for a hack on this is public and to be honest its not anywhere near as hard to implement as spectors was, can be built and tested on linux and opens the door to a ton of linux hackers that can do this

 

[gasso]

Hey guys
I thought: what if, having a backup copy of a console enabled on 5.00, I take a 4.05 console inactive and through a kernel spoof to 5.00 restore the backup on 4.05 through the restore function in the console settings

who knows, maybe you can overwrite something in the SAMU useful for our purpose
What do you think? A good thing or it would not do anything?

in practice it would be try to run a restore 5.00 on a 4.05 with kernel spoof to 5.00 who knows if it's possible and what it could bring

 

[Goldenboy22]

He's hinting something....a video will published SUNDAY


Let's see

 

[gasso]

Basically if it were possible to restore a 5.00 on a 4.05 with spoof, you should definitely update the keys in samu ?? then with the 4.05 spoofed install and run the game to create the working dump on 4.05 not spoofed ??

it would really be a fantastic and fast solution
maybe I travel too much with my imagination
only need a payload of 5.00 to try if you can restore without errors and if you can then dump a game

right now I have everything to try except the spoof
if I wanted to create it I would not know where to start, maybe from the payload from the old 1.76 ??

 

[Goldenboy22]

@gasso The spoof is in the THREAD:

PS4 HEN Enable Updated PlayStation VR Payload with Source Code

EXPERIMENT and let us KNOW

cheers

 

[gasso]

yes I already have this payload
does this spoof the kernel at 5.00 ??
I thought it was only for enabling VR that I do not have
now i'm testing
the payload is this: ps4-hen-VR.bin??

 

[Goldenboy22]

@gasso

In later posts user 73n1x69 used it to install a 4.73 game...

 

[Chaos Kid]

the Russian was using a higher fw exploit to dump then game can be signed for 4.05 simple as that. you only need the boot files for those games and replace files and repkg simple as that.