The PlayStation Portable system software is the official

firmware In computing Computing is any goal-oriented activity requiring, benefiting from, or creating computer, computing machinery. It includes the study and experimentation of algorithmic processes, and the development of both computer hardware, h ...

for the

PlayStation Portable The PlayStation Portable (PSP) is a handheld game console developed and marketed by Sony Interactive Entertainment, Sony Computer Entertainment. It was first released in Japan on December 12, 2004, in North America on March 24, 2005, and in PA ...

(PSP). It uses the

XrossMediaBar The XrossMediaBar (pronounced "cross-media bar" and officially abbreviated as XMB) is a graphical user interface developed by Sony Computer Entertainment. The interface features icons that are spread horizontally across the screen. Navigation m ...

(XMB) as its

user interface In the industrial design field of human–computer interaction, a user interface (UI) is the space where interactions between humans and machines occur. The goal of this interaction is to allow effective operation and control of the machine fro ...

, similar to the

PlayStation 3 The PlayStation 3 (PS3) is a home video game console developed and marketed by Sony Computer Entertainment (SCE). It is the successor to the PlayStation 2, and both are part of the PlayStation brand of consoles. The PS3 was first released on ...

console.

Updates

Updates add new functionality as well as security patches to prevent

unsigned code Code signing is the process of digitally Digital signatures and law, signing executables and scripting language, scripts to confirm the software author and guarantee that the code has not been altered or corrupted since it was signed. The process ...

from being executed on the system. Updates can be obtained in four ways: * Direct download to the PSP over

Wi-Fi Wi-Fi () is a family of wireless network protocols based on the IEEE 802.11 family of standards, which are commonly used for Wireless LAN, local area networking of devices and Internet access, allowing nearby digital devices to exchange data by ...

. This can be performed by choosing ettings ystem Updatefrom the XMB. * Download to a PC, then transfer to the PSP via a USB cable or Memory Stick. * Included on the UMD of some games. These games may not run with earlier firmware than the version on their UMD. See also List of PlayStation Portable system software compatibilities. * Download from a PS3 to a PSP system via USB cable (Japanese and American version only) 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 A web browser, often shortened to browser, is an application for accessing websites. When a user requests a web page from a particular website, the browser retrieves its files from a web server and then displays the page on the user's scr ...

, 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. 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. The current version of the software, 6.61, was made available on January 15, 2015. It is a minor update released more than three years after the release of the previous version 6.60 in 2011.

Technology

Graphical shell

The PlayStation Portable uses the

(XMB) as its

graphical user interface A graphical user interface, or GUI, is a form of user interface that allows user (computing), users to human–computer interaction, interact with electronic devices through Graphics, graphical icon (computing), icons and visual indicators such ...

, which is also used in the

(PS3) console, a variety of Sony BRAVIA

HDTV High-definition television (HDTV) describes a television or video system which provides a substantially higher image resolution than the previous generation of technologies. The term has been used since at least 1933; in more recent times, it ref ...

Blu-ray Blu-ray (Blu-ray Disc or BD) is a digital optical disc data storage format designed to supersede the DVD format. It was invented and developed in 2005 and released worldwide on June 20, 2006, capable of storing several hours of high-defin ...

disc players and many more

Sony is a Japanese multinational conglomerate (company), conglomerate headquartered at Sony City in Minato, Tokyo, Japan. The Sony Group encompasses various businesses, including Sony Corporation (electronics), Sony Semiconductor Solutions (i ...

products. XMB displays icons horizontally across the screen that be seen as categories. Users can navigate through them using the left and right buttons of the

D-pad The D-pad (short for directional pad) is a compact input method developed for video games, designed to translate thumb movement into directional control through a flat, cross-shaped surface that rests on four internal switches. Each switch corres ...

, 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. Users may navigate among these options by using the up and down buttons of the D-pad. The basic features offered by XMB implementations varies based on device and software version. On the PSP console, the XMB had top level icons for Photos, Music, Videos, Games, Networking (which allows the use of the

), Settings and Extras. Also, XMB offers a degree of multitasking. With the PSP, using the Home button while playing music would allow users to browse photos without stopping the music. While XMB proved to be a successful user interface for Sony products such as PSP and PS3, the next generation Sony

video game console A video game console is an electronic device that Input/output, outputs a video signal or image to display a video game that can typically be played with a game controller. These may be home video game console, home consoles, which are generally ...

s such as the

PlayStation 4 The PlayStation 4 (PS4) is a home video game console developed by Sony Interactive Entertainment. Announced as the successor to the PlayStation 3 in February 2013, it was launched on November 15, 2013, in North America, November 29, 2013, in ...

and the

PlayStation Vita The PlayStation Vita (PS Vita) is a handheld game console developed and marketed by Sony Computer Entertainment. It was first released in Japan on December 17, 2011, then in other international territories on February 22, 2012, and was produced ...

no longer use this user interface. For example, the XMB is replaced by the

LiveArea The PlayStation Vita system software is the official firmware and operating system for the PlayStation Vita and PlayStation TV video game consoles. It uses the LiveArea as its graphical shell. The system is built on a Unix base which is derive ...

interface on the PS Vita.

Web browser

The PlayStation Portable comes with a

for browsing the

Internet The Internet (or internet) is the Global network, global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to communicate between networks and devices. It is a internetworking, network of networks ...

. The web browser is a version of the NetFront browser made by Access Co. Ltd. and was released for free with the 2.00 system software update. The browser supports most common web technologies, such as

HTTP cookie HTTP cookie (also called web cookie, Internet cookie, browser cookie, or simply cookie) is a small block of data (computing), data created by a web server while a user (computing), user is browsing a website and placed on the user's computer o ...

form Form is the shape, visual appearance, or configuration of an object. In a wider sense, the form is the way something happens. Form may also refer to: *Form (document), a document (printed or electronic) with spaces in which to write or enter dat ...

s, CSS, as well as basic

JavaScript JavaScript (), often abbreviated as JS, is a programming language and core technology of the World Wide Web, alongside HTML and CSS. Ninety-nine percent of websites use JavaScript on the client side for webpage behavior. Web browsers have ...

capabilities. The version 2.50 upgrade added Unicode (UTF-8)

character encoding Character encoding is the process of assigning numbers to graphical character (computing), characters, especially the written characters of human language, allowing them to be stored, transmitted, and transformed using computers. The numerical v ...

and Auto-Select as options in the browser's encoding menu, and also introduced the saving of input history for online forms. Version 2.70 of the PSP's system software introduced basic

Flash Flash, flashes, or FLASH may refer to: Arts, entertainment, and media Fictional aliases * The Flash, several DC Comics superheroes with super speed: ** Flash (Jay Garrick) ** Barry Allen ** Wally West, the first Kid Flash and third adult Flash ...

capabilities to the browser. However, the player runs Flash version 6, five iterations behind the current desktop version 11, making some websites difficult to view. 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. The browser also has basic

tabbed browsing In interface design, a tab is a graphical user interface object that allows multiple documents or Panel (computer software), panels to be contained within a single window (computing), window, using tabs as a navigational widget for switching be ...

capabilities, with a maximum of three tabs. When a website tries to open a link in a new window, the browser opens it in a new tab. Parents can limit content by enabling Browser Start Up Control which blocks all access to the web browser and creating a 4-digit PIN under ettingsin ecurity Additionally, the browser can be configured to run under a proxy server and can be protected by the security PIN to enable the use of web filtering or monitoring software through a network. Recently, TrendMicro for PSP was added as a feature that can be enabled via a subscription to filter or monitor content on the PSP. The PSP browser is slower compared to modern browsers and often runs

out of memory Out of memory (OOM) is an often undesired state of computer operation where no additional memory can be allocated for use by programs or the operating system. Such a system will be unable to load any additional programs, and since many programs ...

due to limitations put in place by Sony. Alternatively, homebrew alternatives to the browser have been released that utilize all 32/64 MB of the PSP's RAM, which allows the browser to load pages faster and have more memory for larger pages. Opera Mini can also be used on PSP through PSPKVM, a homebrew application which is a Sun Java Virtual Machine. It was claimed to provide much faster loading times than the default browser and provides better web page compatibility.

Other features

Like many other

s, the PlayStation Portable is capable of photo, audio, and video playback in a variety of formats. However, unlike Sony's

home consoles A home video game console is a video game console that is designed to be connected to a display device, such as a television, and an external power source as to play video games. While initial consoles were dedicated units with only a few game ...

such as the

and the

, it is not possible to play

DVD The DVD (common abbreviation for digital video disc or digital versatile disc) is a digital optical disc data storage format. It was invented and developed in 1995 and first released on November 1, 1996, in Japan. The medium can store any ki ...

movies on the PlayStation Portable directly since it lacks 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 PlayStation Portable and as a result, the market is very limited compared to those for other optical media formats. There have been no more movies released on UMD since 2011, with

Harry Potter and the Deathly Hallows – Part 2 Harry may refer to: Television * ''Harry'' (American TV series), 1987 comedy series starring Alan Arkin * ''Harry'' (British TV series), 1993 BBC drama that ran for two seasons * ''Harry'' (New Zealand TV series), 2013 crime drama starring Oscar K ...

being one of the final releases on the format. The PlayStation Portable also supports a feature known as Remote Play, which allows the PSP to access many features of a

console from a remote location using the PS3's

WLAN A wireless LAN (WLAN) is a wireless computer network that links two or more devices using wireless communication to form a local area network (LAN) within a limited area such as a home, school, computer laboratory, campus, or office buildin ...

capabilities, a home network, or the

. However, unlike the later Remote Play feature between the

and the

, the Remote Play capabilities between the PSP and the PS3 are much more limited. Although most of the PS3's capabilities related to its main user interface are accessible with Remote Play, playback of

Blu-ray Disc Blu-ray (Blu-ray Disc or BD) is a Digital media, digital optical disc data storage format designed to supersede the DVD format. It was invented and developed in 2005 and released worldwide on June 20, 2006, capable of storing several hours of ...

PlayStation 2 The PlayStation 2 (PS2) is a home video game console developed and marketed by Sony Interactive Entertainment, Sony Computer Entertainment. It was first released in Japan on 4 March 2000, in North America on 26 October, in Europe on 24 Novembe ...

games, most

games, and copy-protected files stored on the PS3's hard drive are not supported. Actual Remote Play between the PSP and the PS3 games are only supported by a "select" very few PS3 titles. Furthermore, PSP-2000, PSP-3000, and PSP-N1000 can use the

Skype Skype () was a proprietary telecommunications application operated by Skype Technologies, a division of Microsoft, best known for IP-based videotelephony, videoconferencing and voice calls. It also had instant messaging, file transfer, ...

VoIP Voice over Internet Protocol (VoIP), also known as IP telephony, is a set of technologies used primarily for voice communication sessions over Internet Protocol (IP) networks, such as the Internet. VoIP enables voice calls to be transmitted as ...

service starting with system software version 3.90. The service allows Skype calls to be made over

and on the PSP Go over the

Bluetooth Bluetooth is a short-range wireless technology standard that is used for exchanging data between fixed and mobile devices over short distances and building personal area networks (PANs). In the most widely used mode, transmission power is li ...

Modem feature. It is not possible to use the VoIP service on the original PSP-1000 console due to hardware limitations. There also existed other services for the PSP such as the Room for PlayStation Portable, similar to the PlayStation 3's online community-based service known as

PlayStation Home PlayStation Home was a virtual 3D social networking, social gaming platform developed by Sony Computer Entertainment's London Studio for the PlayStation 3 (PS3) on the PlayStation Network (PSN). It was accessible from the PS3's XrossMediaBar (XM ...

. Go!Messenger, a free

instant messaging Instant messaging (IM) technology is a type of synchronous computer-mediated communication involving the immediate ( real-time) transmission of messages between two or more parties over the Internet or another computer network. Originally involv ...

program jointly developed by Sony Computer Entertainment Europe and

BT Group BT Group plc (formerly British Telecom) is a British Multinational corporation, multinational telecommunications holding company headquartered in London, England. It has operations in around 180 countries and is the largest provider of fixed-li ...

, was announced on August 22, 2007 at the Leipzig

Games Convention The Games Convention (GC), sometimes called the Leipzig Games Convention, was an annual video game event held in Leipzig, Germany, first held in 2002. Besides video games, the event also covers Infotainment, Hardware, and Edutainment. Its concep ...

, and was released on February 29, 2008, also with firmware version 3.90. It allowed the

Go!Cam The PSP Camera is a digital camera peripheral by Sony Computer Entertainment for the PlayStation Portable handheld video game system. In Japan, the PSP-300 was released as the on November 2, 2006,

to be used for

video conferencing Videotelephony (also known as videoconferencing or video calling) is the use of audio signal, audio and video for simultaneous two-way communication. Today, videotelephony is widespread. There are many terms to refer to videotelephony. ''Vide ...

and

voice chat Voice chat is telecommunication via voice over IP (VoIP) technologies—especially when those technologies are used as intercoms among players in multiplayer online games. The VoIP functionality can be built into some games, be a system-wide c ...

. PSP users could communicate with PC users through Go!Messenger if the PC was running BT Softphone 2. Because use of the service did not meet Sony and BT's expectations, it was discontinued on March 31, 2009. Subsequently, firmware version 5.50 removed the program's icon. SensMe channels for music files was added to the PSP starting with firmware version 6.10.PSP Firmware Update (v6.10) http://blog.us.playstation.com/2009/09/psp-firmware-update-v6-10/ Also, SHOUTCast Radio can be listened to via an inbuilt app on most PSPs.

Custom firmware

Homebrew development was very popular during the time of the PlayStation Portable. Besides the official firmware (OFW) made by

custom firmware Custom firmware, also known as aftermarket firmware, is an unofficial new or modified version of firmware created by third parties on devices such as video game consoles, mobile phones, and various embedded system, embedded device types to provide ...

(also written as Custom Firmware, or simply CFW) is also commonly seen in the

handheld consoles. Custom firmware allows the running of unsigned code such as homebrew applications, UMD .ISO files,

emulators In computing, an emulator is hardware or software that enables one computer system (called the ''host'') to behave like another computer system (called the ''guest''). An emulator typically enables the host system to run software or use perip ...

for other consoles and PS1 games when the disc images are converted into an EBOOT file. This is in stark contrast to the official system software, where only code that has been signed by Sony can run. Notable custom firmware versions include the M33 Custom Firmware by Dark_AleX as well as those made by others such as the Custom Firmware 5.50GEN series, Minimum Edition (ME/LME) CFW and the PRO CFW. All legally and illegally obtained content can be played on custom firmware, assuming that it is at the latest version (currently 6.61). During the early days of the PSP hacking scene, it was discovered that firmware 1.00 allowed unsigned code to run. While this firmware only existed on PSP-1000 models from Japan, many users imported these models to run and develop homebrew. An exploit was later discovered in firmware 1.50 that also allowed unsigned code to run. This opened up North American PSP-1000 systems for homebrew. Firmware 1.5 acted as the standard firmware for homebrew until the creation of eLoaders (which use various exploits to launch a homebrew "menu"), savegame exploits in games such as Grand Theft Auto: Liberty City Stories and Lumines: Puzzle Fusion and eventually DarkAlex's custom firmware releases, which all allowed PSPs shipped after the 1.51 update's release to run homebrew. Sony had put significant effort into blocking custom firmware and other third party devices/content from the PSP, but their effort was in vain. In July 2007 Dark_AleX officially stopped his work on the PSP, citing perceived problems with Sony as one of the reasons for his departure, but other custom firmware versions continue to be developed or updated. In 2015, a homebrew tool known as Infinity was developed which allows users to permanently install CFW such as LME or PRO on all PSP models. This tool requires firmware 6.60 or 6.61.

References

{{Video game console system software

Software Software consists of computer programs that instruct the Execution (computing), execution of a computer. Software also includes design documents and specifications. The history of software is closely tied to the development of digital comput ...

Game console operating systems Mobile operating systems Proprietary operating systems