PSP ARK-4 e/CFW for the PSP and PS Vita.

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Acid_Snake

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About Changelog's

  • ARK-4 e/CFW for the PSP and PS Vita.​
    New, updated, improved and modern Custom Firmware for the PSP and PS Vita's ePSP. Simple to use and full of unique features, ARK CFW aims at keeping the PSP experience fresh. Being a successor to PRO and ME, ARK is now the most feature-complete CFW for the PSP, having all features from classic CFW as well as unique and exclusive new features not found anywhere else.


    FEATURES:
    • Core system heavily updated from traditional CFW with new exclusive features.
    • Inferno 2 Driver compatible with all formats (ISO, CSO, ZSO, JSO, CSOv2 and DAX).
    • Popcorn controller for custom PS1 games. Compatible with PopsLoader V3 and V4i.
    • Built-in No-DRM engine Stargate, fixes many anti-CFW games. Compatible with npdrm_free by qwikrazor87.
    • Plugin support for PSP games, PS1 games and VSH (XMB), including the ability to enable and disable plugins per-game.
    • Region Free playback of UMD Video on all PSP models. Change the region of your UMD drive on-the-fly.
    • Compatible with all PSP models on firmwares 6.60 and 6.61.
    • Compatible with all PS Vita models on firmware 2.10 up to 3.74, either official firmware or via Adrenaline.
    • Compatible with 6.60 Testing Tool Firmware and Testkit Units.
    • Compatible with 6.60 Development Tool Firmware and Devkit Units.
    • Can be fully installed and booted on memory stick in compatible models via Time Machine.
    • Can be used to unbrick any PSP using Despertar del Cementerio in combination with a Pandora or Baryon Sweeper.
    • Minimalistic: only 6 files installed on PSP flash, CFW extensions are installed on memory stick.
    • Resistant to soft-bricks, easy to recover from bad configurations with a new and improved Recovery app.
    • Custom game launcher with built-in game categories, file browser, FTP server and client, modernized look and more.
    • Fully configurable via the XMB.
    • Compatible with PRO Online and Xlink Kai.
    • Compatible with Legacy Homebrew via eLoader and Leda. Compatible with the KXploit format.
    • Compatible with cIPL and Infinity 2 bootloaders for permanent CFW.





Download @: https://github.com/PSP-Archive/ARK-4/releases/latest/

SEE Complete READ ME for full details
>>>> HERE <<<<​
 
Last edited:
Man I was eagerly awaiting this back in the ePSP days. So glad to see this coming along and you active again good sir
 
Last edited by a moderator:
Hey, I have a psp e1004 and i jjust replaced the battery few days back. it works fine like it turns on n stuff. the problem is that i have a memory stick which has games in it. when i open music , video or pictures of the memory stick on the psp, they open. problem arises when i go to the games option and select memory stick, it just doesnt get clicked.. please help me out.
 
rishand said:
Hey, I have a psp e1004 and i jjust replaced the battery few days back. it works fine like it turns on n stuff. the problem is that i have a memory stick which has games in it. when i open music , video or pictures of the memory stick on the psp, they open. problem arises when i go to the games option and select memory stick, it just doesnt get clicked.. please help me out.
Click to expand...
Try the latest release from the github page.
Has a lot of bug fixes, maybe it solves your issues.
 
Hey guys, just so you know, there's been a lot of new releases since ARK-4 version 9.7 as linked in this page.
The latest version is 16 Rev 2, the changelog since then is too big to list so I'll just copy paste the new featureset:
  • Core system for unsigned code execution on every PSP device based on 6.60 kernel.
  • Inferno driver Version 2 compatible with ISO, CSO, ZSO, JSO, CSOv2 and DAX formats.
  • Popcorn controller for custom PS1 games. Compatible with PopsLoader V3 and V4i.
  • Stargate No-DRM engine.
  • Plugin support for PSP games, PSX games and VSH (XMB), including the ability to enable and disable plugins per-game.
  • Compatible with all PSP models on firmwares 6.60 and 6.61.
  • Compatible with all PS Vita models on firmware 2.10 and up.
  • Minimalistic: only 6 files installed on PSP flash, CFW extensions are installed on memory stick.
  • Custom game launcher with built-in game categories, file browser, FTP server and client, modernized look and more.
  • Compatible with PRO Online.
  • Compatible with Legacy Homebrew via eLoader and Leda.
Same github page as linked here.
 
I tested the Firmware and decided lo let you all know the compatibility in cso compression

WORKS IN CFW​
FullName​
Length B​
Length MB​
X​
7 Wonders of the Ancient World (Europe) (En,Fr,De,Es,It).iso211.288.064
206.336​
X​
7 Wonders of the Ancient World (Europe) (En,Fr,De,Es,It) - 2048.cso113.092.700
110.442​
X​
7 Wonders of the Ancient World (Europe) (En,Fr,De,Es,It) - Auto.cso113.092.700
110.442​
_​
7 Wonders of the Ancient World (Europe) (En,Fr,De,Es,It) – 9_Ultra.zip111.572.586
108.958​
X​
7 Wonders of the Ancient World (Europe) (En,Fr,De,Es,It) - 4096.cso111.344.224
108.735​
_​
7 Wonders of the Ancient World (Europe) (En,Fr,De,Es,It) - Redump.zip110.872.957
108.274​
X​
7 Wonders of the Ancient World (Europe) (En,Fr,De,Es,It) - Default.cso109.998.457
107.420​
X​
7 Wonders of the Ancient World (Europe) (En,Fr,De,Es,It) - 8192.cso109.998.184
107.420​
_​
7 Wonders of the Ancient World (Europe) (En,Fr,De,Es,It) - 16384.cso109.004.346
106.450​
_​
7 Wonders of the Ancient World (Europe) (En,Fr,De,Es,It) - 32768.cso107.985.787
105.455​
_​
7 Wonders of the Ancient World (Europe) (En,Fr,De,Es,It) - 65536.cso107.350.593
104.835​
_​
7 Wonders of the Ancient World (Europe) (En,Fr,De,Es,It) – 131072.cso106.952.556
104.446​
_​
7 Wonders of the Ancient World (Europe) (En,Fr,De,Es,It) - 262144.cso106.767.007
104.265​
_​
7 Wonders of the Ancient World (Europe) (En,Fr,De,Es,It) - Deflate - 9_Ultra.zip106.550.438
104.053​
_​
7 Wonders of the Ancient World (Europe) (En,Fr,De,Es,It) - BZip - 9_Ultra.zip106.280.875
103.790​
_​
7 Wonders of the Ancient World (Europe) (En,Fr,De,Es,It) - Deflate64 - 9_Ultra.zip105.980.947
103.497​
_​
7 Wonders of the Ancient World (Europe) (En,Fr,De,Es,It) - PPMd - 9_Ultra.zip102.265.041
99.868​
_​
7 Wonders of the Ancient World (Europe) (En,Fr,De,Es,It) - LZMA - 9_Ultra.zip49.636.515
48.473​

Left the ZIP files for comparison sake (LZMA is a beast), the info after - is the option/s used for compression with the numbers being the blocksize.

BAT file:
Code: 
@echo off
"%~dp0\maxcso.exe" --format=cso2 --block=8192 --threads=8 --use-zlib --use-7zdeflate --use-lz4 --use-lz4brute %*
pause

This bat file will compress any iso you drop on it, remember to change the numbers of threads based on your CPU.
 
Please note: the maximum block size that ARK reads is 8192 (DAX block size), perhaps in a future update I remove this limitation.

Another note: latest release (4.17) is experimental and seems to break some formats (cso mainly affected), I recommend using version 4.16, the last stable release until a fix is made.
 
This CFW has been heavily updated since the original post. Is there anyway to update this page with latest release notes, bug fixes, full feature list, etc?
 
New update, version 4.20.53:
https://github.com/PSP-Archive/ARK-4/releases/tag/r42053

Changelog:
  • Improved Advanced VSH Menu options in Adrenaline installations.
  • Improved Advanced VSH Menu options in PSP Go models.
  • Fixed several issues in (Advanced) VSH Menu that would prevent configuration from being updated.
  • Fixed and improved random color selection in (Advanced) VSH Menu.
  • Added support for PBOOT.PBP updates and Prometheus-patched games in the Boot Random ISO feature of Advanced VSH Menu
  • Improved memory management in the XMB when reading ISO/CSO files.
  • Added new themes Windows 7, Windows XP and CyanogenPSP for Custom Launcher/Recovery.
  • Severeal more cleanup and improvements.
 
So, is it possible to number the correct steps to permanently install this on flash? So even without memory card, it should work?
 
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