Sony Psp 4.05

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® system software was released on July 15, 2008. You can use this update to upgrade your system software to version 4.05.

View Update History
Notices

* This update is for customers who own PSP® systems with model numbers PSP-1001 and PSP-2001, sold in North America. DO NOT update your PSP® 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® system may not operate properly and may not be able to install the official update data. Any of these actions may void the PSP® system warranty and affect your ability to obtain warranty services and repair services from Sony Computer Entertainment.
* For customers using PSP® system software version 2.80 or earlier:
PSP® systems with system software version 2.80 or earlier do not correctly recognize high-capacity Memory Stick PRO Duo™ with more than 4 GB of free (recordable) memory space. For further details, select here.
* The system software included within this product is subject to a limited license from Sony Computer Entertainment Inc. Refer to http://www.scei.co.jp/psp-eula for further details.
* If your PSP® system software version is 4.05 (or later), you do not need to perform this update. To check the version of your system software, go to (Settings) > [System Settings] > [System Information]. The information is shown in the [System Software] field.
* Depending on the software title, you may not be able to play without first updating the system software.
* This system software update includes all features contained in previous versions.
* To connect to the Internet using your system, you must be within range of a wireless access point (or hotspot) that allows connections to the Internet.
* Depending on your PSP® system software version, the screen images and icons appearing on this Web site may differ from the actual product.
* Some of the features and functions described in this Web site are applicable only to PSP-2000 series systems, as indicated by the 2000 series icon.