PlayStation Jailbreak
Encyclopedia
PlayStation Jailbreak, often referred to as PS3 Jailbreak, was the first USB
Universal Serial Bus
USB is an industry standard developed in the mid-1990s that defines the cables, connectors and protocols used in a bus for connection, communication and power supply between computers and electronic devices....

 chipset that allows unauthorised code execution, such as homebrew
Homebrew (video games)
Homebrew is a term frequently applied to video games or other software produced by consumers to target proprietary hardware platforms not typically user-programmable or that use proprietary storage methods...

, on the Playstation 3
PlayStation 3
The is the third home video game console produced by Sony Computer Entertainment and the successor to the PlayStation 2 as part of the PlayStation series. The PlayStation 3 competes with Microsoft's Xbox 360 and Nintendo's Wii as part of the seventh generation of video game consoles...

. It bypasses a system security check using a memory exploit which occurs with USB devices that allows the execution of unsigned code. One of the most popular pieces of homebrew software used with the device is Backup Manager, which allows users to copy game titles from the optical media to the hard drive of the PlayStation 3. Backup Manager can also be used to run homebrew applications that are created to run in native mode.

There are many similar devices to the PS3 Jailbreak, such as the open sourced versions (eg. PSgroove, PSfreedom), although these only work on PlayStation 3 system software
PlayStation 3 system software
The PlayStation 3 system software is the updateable software and operating system of the PlayStation 3. The process of updating is almost identical to that of the PSP...

v3.41 or lower as v3.55 patches the exploit on the console, thus disabling PS Jailbreak.

Future support

The creators of PS3 Jailbreak also released PSDowngrade which enables downgrading of PlayStation 3's System Software to v3.41(Or lower) from v3.42, v3.50, and v3.55. Currently if users attempt to downgrade v3.56/3.60 the console becomes stuck in Factory Service Mode, rendering it useless. Without the current v3.70 System Software, users are unable to access Playstation Network.

Plans are also underway to allow the removal of the a-hole compatibility firmware update released along side the PS3 Slim and v3.41. This will allow easier operation of the PS3 along with better support for homebrew dashboards.

Legality

  • PS3 Jailbreak was outlawed in Australia as it was considered to be in violation of copyright law. The ban states that PS Jailbreak cannot be imported, distributed to another person or offered to the public.
  • Sony has started lawsuits in several territories like the US, Europe, and Asia to block its sale. Suits are filed against retailers selling the device.
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