Homebrew psp

Homebrew

The homebrew community were initially unable to hack the later PSP-2000s and the PSP-3000 because it had a new CPU (motherboards revealed to be TA-088v3 (for PSP Slim) and TA-090v2 (for PSP-3000) which does not support the PRE IPL Exploit used in hacking the previous versions. This is due to the motherboard having its own PRE IPL where it checks the firmware thoroughly; if passed, the PRE IPL is cut off entirely to prevent unwanted modifications to the system.

In November 2008, Datel announced a "Lite Blue Tool" battery which allows the PSP-3000 to boot into service mode. This battery is not able to start homebrew as the new PRE-IPL has yet to be cracked.[95] The Lite Blue Tool was deterred from distribution due to legal action by Sony.[96] Some time later, Datel changed the name from Lite Blue Tool to Max Power Digital and changed the description.[97]

MaTiAz, a known hacker in the PSP hacking community, found an exploit which is done with a US copy of Gripshift and a HEN save game exploit. However, this was only temporary. After the release of this initial hack, a sizable increase in sales of the game was experienced. Many eBay sellers inflated their prices to cash in on the sudden demand. A revised version of the PSP firmware (v5.03) was released shortly after to patch the exploit.[98] Malloxis found a TIFF crash which is proven to work on 5.02 and 5.03 firmwares for PSP-3000; further crafted and engineered by MaTiAz, the TIFF crash became a TIFF exploit capable of loading an h.bin from the root memorystick. Davee, another hacker, further engineered this exploit with a privilege escalation exploit and created a Homebrew Enabler (HEN) which would allow the execution of unsigned code by users. In firmware revision 5.50, the TIFF vulnerability was removed, preventing any further firmwares being affected by the exploit. The HEN for the TIFF exploit, which was called "ChickHEN", was released on May 5, 2009.[99][100][101]

On June 5, 2009, custom firmware version 5.03GEN-A for HEN was released, which is compatible with both PSP-2000 v3 and PSP-3000. It allows users to play game backups (ISO/CSO), PS1 games, and includes access to PSN, VSH, and recovery mode.[102] This marked a major step forward in ending Sony's PSP-3000 piracy protection. Two days later, on June 7, 2009, a duo of hackers (Xenogears and Becus25) released custom firmware support software based on a modified work of the released 5.03GEN-A for the formerly unhackable handheld called "Custom Firmware Enabler 3.01" in which PSP-3000 users can install custom firmware and load those firmware's files onto the PSP's RAM with the direct usage of "ChickHEN".[95][103]

On March 29, 2010, a user-mode exploit was revealed in the demo of the game Patapon 2[104]. This was quickly followed by the public release of "Half-Byte Loader"[105], a piece of software allowing to load homebrew software on all PSP models (including the PSP Go) running firmwares less than 6.30. HBL has also been ported to Everybody's Golf, allowing HBL to run on 6.30 and 6.31 firmwares.





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