PSP FIRMWARE 6.60 UPDATE USB UPDATE
It is a minor update released more than three years after the release of the previous version 6.60 in 2011.
The current version of the software, 6.61, was made available on January 15, 2015. If the power supply is lost while writing to the system software, the console will no longer be able to operate unless the system is booted in service mode or sent to Sony for repair if still under warranty. The battery must be at least 50% charged or else the system will prevent the update from installing. System software updates have added various features including a web browser, Adobe Flash Player 6 support, additional codecs for images, audio, and video, PlayStation 3 connectivity, as well as patches against several security exploits, vulnerabilities, and execution of homebrew programs. 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. Download from a PS3 to a PSP system via USB cable.See also List of PlayStation Portable system software compatibilities. These games may not run with earlier firmware than the version on their UMD. Download to a PC, then transfer to the PSP via a USB cable or Memory Stick.This can be performed by choosing, from the XMB. Direct download to the PSP over Wi-Fi.
Updates add new functionality as well as security patches to prevent homebrew applications and plugins from being executed on the system. It uses the XrossMediaBar (XMB) as its user interface, similar to the PlayStation 3 console.
The PlayStation Portable system software is the official firmware for the PlayStation Portable.