The PSP (PlayStation Portable) system software update may include security patches, new or revised settings and features and other items, which will change your current operating system. We encourage you to check this page from time to time for software updates and to always maintain your system to use the latest version of the system software.

An update to the PSP (PlayStation Portable) system software was released on April 8, 2008. You can use this update to upgrade your system software to version 3.95.

Notices:
* This update is for customers who own PSP (PlayStation Portable) systems with model numbers PSP-1001 and PSP-2001, sold in North America. DO NOT update your PSP (PlayStation Portable) system through this Web site if you purchased your system outside North America. There is no guarantee of proper operation with models sold outside North America.
* Do not perform updates using any data other than the official update data provided by Sony Computer Entertainment over a network or on disc media, and do not perform updates by methods other than those described in the product documentation or in this site. If an update is performed using data from another source, by another method, or with a PSP® system that has been altered or modified in any way, the PSP (PlayStation Portable) system may not operate properly and may not be able to install the official update data. Any of these actions may void the PSP (PlayStation Portable) system warranty and affect your ability to obtain warranty services and repair services from Sony Computer Entertainment.

Developer: Sony Computer Entertainment
License: Freeware
OS: Windows All
Size: 24.7 MB
Download PlayStation Portable (PSP) Firmware 4.01 link