Users can navigate through them using the left and right buttons of the D-pad, which move the icons forward or back across the screen, highlighting just one at a time, as opposed to using any kind of pointer to select an option.When one category is selected, there are usually more specific options then available to select that are spread vertically above and below the selected icon.The battery must be at least 50% charged or else the system will prevent the update from installing.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.However, unlike Sony's home consoles such as the Play Station 3 and the Play Station 4, it is not possible to play Blu-ray or DVD movies on the Play Station Portable directly since it lacks of a standard Blu-ray or DVD drive.While it does have a UMD drive and there exist UMD movies, the UMD format never saw implementation on any device other than the Play Station Portable and as a result the market is very limited compared to those for other optical media formats.The Play Station Portable uses the Xross Media Bar (XMB) as its graphical user interface, which is also used in the Play Station 3 (PS3) console, a variety of Sony BRAVIA HDTVs, Blu-ray disc players and many more Sony products.XMB displays icons horizontally across the screen that be seen as categories.
Version 2.70 of the PSP's system software introduced basic Flash capabilities to the browser.
There are three different rendering modes: "Normal", "Just-Fit", and "Smart-Fit".
"Normal" will display the page with no changes, "Just-Fit" will attempt to shrink some elements to make the whole page fit on the screen and preserve layout and "Smart-Fit" will display content in the order it appears in the HTML, and with no size adjustments; instead it will drop an element down below the preceding element if it starts to go off the screen.
Danish, German, English (United States), Spanish, French, Italian, Dutch, Norwegian, Polish, Portuguese, Russian, Finnish, Swedish, Turkish, Japanese, Korean, Chinese (simplied), Chinese (traditional).
The Play Station Portable system software is the official firmware for the Play Station Portable.
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.