Updates can be obtained in four ways: While system software updates can be used with consoles from any region, Sony recommends only downloading system software updates released for the region corresponding to the system's place of purchase.System software updates have added various features including a web browser, Adobe Flash Player 6 support, additional codecs for images, audio, and video, Play Station 3 connectivity, as well as patches against several security exploits, vulnerabilities, and execution of homebrew programs.The change can provide new features to improve the customer experience with the device or it can be to resolve a buggy software release for software that never worked the way it was intended. Also be aware which country the Play Station Portable was purchased from because firmware is specific to the country, i.e.
Updates add new functionality as well as security patches to prevent homebrew applications and plugins from being executed on the system.
Play Station Portable (PSP) Firmware is a software update from Sony to add to the Play Station Portable edition of this gaming hardware.
A firmware update is one where the fundamental software that is installed by the manufacturer to help the software run needs to be changed.
As a reminder, the PSN will be down today for a few hours, and if you live in North America, some PSP games are on sale through the Play Station Store this week.
Custom firmwares for the PSP has been since 2006, when Dark_Ale X did a proof-of-concept firmware based on the 1.50 version.