PS4 VSH_4K_Mode Boot Parameter on FAT in Debug Settings

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Guillaume MrNiato

AKL Member
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Members
Mar 9, 2018
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Original Tweet : https://twitter.com/ImMrNiato/status/994249282671783941

Yesterday I was using the payload from LightningMods on my 4.55 PS4 Testkit FAT, trying to do some modifications.

So, I go to /system/priv/settings and found some XML files (pictured below). I open them, trying to do some modification and replaces them. After that, I went to the Debug Settings --> Boot Parameters and saw a new thing that I never seen before.

ps4-vsh_4k_mode-boot-parameter-on-fat-in-debug-settings-2-jpg.4012


This is called vsh_4k_mode.
ps4-vsh_4k_mode-boot-parameter-on-fat-in-debug-settings-jpg.4011


After a reboot it disappear.
ps4-vsh_4k_mode-boot-parameter-on-fat-in-debug-settings-3-jpg.4013


So I open up the files and as you can see I saw the vsh_4k_mode on the XML but I still don't know how I enabled it
ps4-vsh_4k_mode-boot-parameter-on-fat-in-debug-settings-4-png.4014


Also in the SDKs document the mode never appear
ps4-vsh_4k_mode-boot-parameter-on-fat-in-debug-settings-5-png.4015


Same for all theses settings !
ps4-vsh_4k_mode-boot-parameter-on-fat-in-debug-settings-6-png.4016
 
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Reactions: Senkuu Aoki
Cool, more secrets, Correct me if i'm wrong, so you find and accidentally enabled 4k mode on your ps4, dose the mode run games well? I have know that O.G ps4 fat dose not run games well in 4k?I don't know if you are using a ps4pro for you test or not...