Official Firmware (OFW)

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PlayStation Portable System Software is the official, updateable firmware for the PlayStation Portable. Updates add new functionality as well as security patches to prevent Homebrew (games) applications being run on the system. Updates can be obtained in four ways:

  • Direct download to the PSP over Wi-Fi. This can be performed by choosing "Settings", "Network Update" from the XMB. (with the exception of 3.60, 3.96, 4.20, 4.21, 5.05, 5.55, 5.70, 6.36, and 6.50)
  • Download to a PC, then transfer to the PSP via a USB cable or Memory Stick. (with the exception of 3.60, 3.96, 4.20, 4.21, 5.05, 5.55, 5.70, 6.36, and 6.50)
  • Included on the UMD of some games. These games may not run with earlier firmware than the version on their UMD.
  • Download from a PS3 to a PSP system via USB cable. (Japanese version only) (with the exception of 3.60, 3.96, 4.20, 4.21, 5.05, 5.55, 5.70, 6.36, and 6.50)

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, Adobe Flash Player 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. If the power supply (Battery/AC) is disconnected while updating the system software, the console will be bricked. The system will have to be booted from a different source such as a battery in service mode with which it can be restored.

The latest reported firmware version shipping pre-installed on new PSPs is 6.60 (PSP-E1000).

The current firmware version is 6.61 and was released 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.

To see detailed information about the security changes throughout the system software updates, see Security Updates.

Versions[edit | edit source]

Pre-release[edit | edit source]

0.15 (0.1.5)[edit | edit source]

Early 2004

0.30 (0.3.0)[edit | edit source]

June 24, 2004

0.40 (0.4.0)[edit | edit source]

July 23, 2004

0.50 (0.5.0)[edit | edit source]

?August ??, 2004

0.60 (0.6.0)[edit | edit source]

August 31, 2004

0.65 (0.6.5)[edit | edit source]

September 8, 2004

0.70 (0.7.0)[edit | edit source]

September 27, 2004

0.80 (0.8.0)[edit | edit source]

October 8, 2004

  • Firmware that standardized PRX format (previous firmwares are variants of PS2 executables)
  • Firmware that standardized file system format (lflash)
  • Support for retail PSPs started but not fully implemented yet
  • Added USB support as an optional driver

0.90 (0.9.0)[edit | edit source]

October 26, 2004

  • Support to boot from either a game or directly to XMB, uses game by default
  • Allegedly first firmware to support retail PSPs with minor patches to the firmware
  • Support for gzip module formats

1.00 (1.0.0) "Bogus" Update[edit | edit source]

November 4, 2004 Main article

  • Note this is the actual 1.00, release 1.00 is 1.03.
  • Retail PSPs are now fully supported! Likely why 1.00 was chosen for this.
  • Standardized module names (i.e. Loader_Core -> sceLoaderCore) relic of PS2 firmware
  • USB support now built in to the firmware

1.01 (1.0.1)[edit | edit source]

November 10, 2004

  • Cleaned up and fixed most problems from 1.00, bringing the firmware to what we know and love
  • Added sceKernelDevkitVersion, as well as other critical functions to sysmem.prx
  • XMB likely has same sounds as 1.00 or sounds from the bogus update

1.02 (1.0.2) Development Tool[edit | edit source]

November 16, 2004 Main article

  • VSH is hidden, boots into balloon sample from the SDK.
  • Reports 1.00 in the VSH instead of 1.02, like 1.00 Bogus.
  • Different VSH sounds and opening sound.

1.XX Kernel[edit | edit source]

1.00 (1.0.3)[edit | edit source]

December 12, 2004 Download: N/A Initial Firmware for original PSP

  • Original release
  • No content authorization system.
  • Japanese only.

1.50 (1.5.0)[edit | edit source]

March 24, 2005 Download: [1]

Support for:

  • Content authorization.
  • New video codecs.
  • Multiple languages.

1.51[edit | edit source]

May 18, 2005 Download: [2]

  • Security update to patch KXploit exploit

1.52[edit | edit source]

June 15, 2005 Download: [3]

  • Revisions to strengthen security have been added.
  • Support for UMD music.

2.XX Kernel[edit | edit source]

2.00[edit | edit source]

September 1, 2005 Download v1: v1 Download v2:v2

The only firmware that has region check (Japan or WorldWide).

  • Internet browser added under [network]
  • 4:3 Screen Mode has been added under [video] (for video saved on Memory Stick Duo™ media).
  • Go To feature has been added (for UMD™VIDEO and UMD™MUSIC).
  • A-B Repeat feature has been added under [music] (for UMD™VIDEO, UMD™MUSIC and video saved on Memory Stick)
  • Audio options have been added (for video saved on Memory Stick Duo™ media).
  • MP4 (AVC) has been added as a playable file format under [video] (for video saved on Memory Stick Duo™)
  • The combination of SonicStage™ version 3.2 supports Attrac3 plus files
  • WAV have been added as playable files under [video]
  • Wallpaper feature has been added.
  • Image transfer feature has been added.
  • TIFF, GIF, PNG and BMP have been added as viewable file formats under [picture]
  • Korean has been added as a system language in [System Settings].
  • [Character Set] has been added in [System Settings].
  • [Theme Settings] has been added.
  • [Internet Browser Start Control] has been added as a security mode in [Security Settings].
  • WPA-PSK (TKIP) has been added as a security mode in [Network Settings].
  • Web address shortcut feature has been added as an input mode for the on-screen keyboard.

2.01[edit | edit source]

October 3, 2005 Download: [4]

2.50[edit | edit source]

October 13, 2005 Download: [5]

  • [LocationFree™ Player] added.
  • [Auto-Select] and [Unicode (UTF-8)] added to the browser.
  • Settings for [Text Size] and [Display Mode] and the history is saved.
  • Copyright-protected video can now be played.
  • [Set via Internet] has been added to [Date and Time] in [Date & Time Settings].
  • [WPA-PSK (AES)] has been added as a security method under [Network Settings].
  • Korean input mode has been added to the on-screen keyboard.

2.60[edit | edit source]

November 29, 2005 Download: [6]

  • Support for Audio RSS feeds under [network/RSS]

2.70[edit | edit source]

April 25, 2006 Download: [7]

  • Support for Adobe Flash player.

2.71[edit | edit source]

May 30, 2006 Download: [8]

  • Support to download Demos from the Web Browser.

2.80[edit | edit source]

July 27, 2006 Download: [9]

  • Support for Video RSS feeds.
  • Update for LocationFree Player to support AVC video codec.
  • Secret patching of sceKernelLoadExec bug, but opening sceRegOpenRegistry exploit.

2.81[edit | edit source]

September 7, 2006 Download: [10]

  • Support for memory sticks with a capacity of greater than 4GB.
  • Security update to fix libtiff exploit.

2.82[edit | edit source]

October 26, 2006 Download: [11]

  • Revisions to strengthen security have been added.

3.XX Kernel[edit | edit source]

3.00[edit | edit source]

November 21, 2006 Download: [12]

  • PlayStation 3 Remote Play.
  • Classic PSone games.
  • Added a music visualizer.

3.01[edit | edit source]

Nov 22, 2006 Download: [13]

3.02[edit | edit source]

Dec 6, 2006 Download: [14]

3.03[edit | edit source]

December 20, 2006 Download: [15]

3.10[edit | edit source]

January 30, 2007 Download: [16]

  • Dynamic normalizer.
  • Conserve memory option.
  • "PlayStation®Spot" menu under "Network". [Japanese version only]
  • Secret patching of sceRegOpenRegistry and GTA exploit.

3.11[edit | edit source]

February 8, 2007 Download: [17]

3.30[edit | edit source]

March 28, 2007 Download: [18]

  • Support for thumbnail images within RSS channel and in video folder.
  • MPEG-4/H.264 support for 720×480, 352×480, and 480×272 (native resolution).
  • "Wireless Hotspot" added

3.40[edit | edit source]

April 20, 2007 Download: [19]

  • Support for PlayStation Network titles expanded.
  • "Certificate Utility" option erased.
  • Saved data from PlayStation format software can be used on both PSP and PS3 systems.

3.50[edit | edit source]

May 31, 2007 Download: [20]

  • Allows Remote Play to be used via an internet connection.
  • "RSS Channel Guide" has been added as a feature under "RSS Channel".
  • CPU speed limit removed, allowing CPU to run at 333MHz rather than 266MHz.

3.51[edit | edit source]

June 29, 2007 Download: [21]

3.52[edit | edit source]

July 24, 2007 Download: [22]

3.60[edit | edit source]

September 10, 2007 Download: [23] (Only PSAR) Initial Firmware for PSP Slim

Only for PSP Slim

  • TV output added
  • Support for the 1-Seg Tuner [Japanese version only]
  • UMD cache support
  • USB Charge option
  • Additional color themes for XMB

3.70[edit | edit source]

September 11, 2007 Download: [24]

First "Universal" Firmware for the Original PSP and the PSP Slim

  • Custom themes
  • Support has been added for assigning buttons in [Remote Play]
  • A scene search feature has been added under [Video]
  • Sequential playback is now supported under [Video]
  • Simultaneous playback of content under [Music] and [Photo] is now supported
  • PlayStation Spot icon added under [Network] for regions other than Japan
  • Video bitrate limit raised to 2Mbps from 768kbps

3.71[edit | edit source]

September 13, 2007 Download: [25]

  • Revisions to strengthen security have been added.
  • Support for PlayStation Network titles expanded.
  • A correction has been made to the settings for some regions

3.72[edit | edit source]

October 30, 2007 Download: [26]

  • Support for PlayStation Network titles expanded.
  • Remote Start now available under Remote Play. Remote Start requires a Playstation 3 system

3.73[edit | edit source]

November 29, 2007 Download: [27]

  • Improved system stability by fixing problems where the UMD drive would occasionally suspend

3.80[edit | edit source]

December 17, 2007 Download: [28]

  • Streaming internet radio player
  • Added new music visualization effect
  • Video scene search
  • RSS now supports OPML and pictures
  • PlayStation Spot now available at BB Mobile Point (Japanese version only)
  • Added ability to play PlayStation games from disc or hard drive via Remote Play

PSP Slim only features:

  • One-segment broadcasting recordings (Japanese version only)

3.90[edit | edit source]

January 29, 2008 Download: [29]

PSP Slim only feature:

Skype feature has been added under [Network], for all regions (except Japan)

3.93[edit | edit source]

March 18, 2008 Download: [30]

PSP Slim only feature:

Skype feature has been added under [Network] on Japanese PSPS.

3.95[edit | edit source]

April 8, 2008 Download: [31]

  • Support for PlayStation Network titles has been expanded
  • While playing PSone games on your PSP, you can now customize how the buttons are assigned by going to [Controller Settings] > [Assign Buttons] and select [Custom].
  • You can now quit Remote Play and choose to turn off your PS3 or leave it on after quitting. This is useful if you are performing a download and want to quit Remote Play, but still want your download to continue on the PS3. Select [Quit and Turn Off the PS3 System] or [Quit Without Turning Off the PS3 System] from [Quit Remote Play] when you press the HOME button on the PSP system.

3.96[edit | edit source]

June 4, 2008 Download: [32] (Comes with the Hot Shots Golf 2 UMD)

First time a firmware has only been released on a UMD

  • Adds support for Playstation Network Titles.
  • Fixes some bug issues.
  • This update is required to use Hot Shot Golf 2, for PSP. Allows game to be played.

4.XX Kernel[edit | edit source]

4.00[edit | edit source]

June 18, 2008 Download

  • Google Search has been added as an icon under "Network".
  • Pressing up or down while viewing videos slows down and speeds up videos
  • Added Subtitle support for UMD Movies under Video

4.01[edit | edit source]

June 25, 2008 Download

  • Display of search results under Internet Search has been improved for certain languages.
  • Playback of video content under Video has been improved for certain file types

4.05[edit | edit source]

July 13, 2008 Download

  • Added new visualization effect under [Music].
  • Added support for viewing rentals and purchased videos downloaded from the Playstation Store (temporarily US version only)

PSP Slim only features:

  • Up to 8 programs may now be scheduled for record using the One-segment TV Tuner (Japanese version only)
  • You may now set up a whole series of programs to record using the One-segment TV Tuner (Japanese version only)
  • You may now record TV using the One-segment TV Tuner without having to also watch it (Japanese version only)

4.20[edit | edit source]

October 14, 2008 Download: [33] (ZIP file) Initial firmware for PSP-3000, build date is 2008/07/28.

  • [USB Auto-Connect] feature in [System Settings] under [Settings]

PSP 3000 only features:

  • [Flicker Reduction] under the [Connected Display] menu in [Settings]
  • [Noise Reduction] under the [Connected Display] menu in [Settings]
  • [Color Space] under the [System Settings] menu in [Settings]

4.21[edit | edit source]

October 14, 2008 Download: [34] (Only PSAR) Initial firmware for PSP-3000, build date is 2008/08/29.

  • Patched a bug in libtiff.

Unofficial changes:

  • flash0\kd\loadexec_03g.prx - has different size
  • flash0\kd\pspnet_adhoc.prx - has different size
  • flash0\kd\utility.prx - has different size
  • flash0\vsh\module\htmlviewer_plugin.prx - has different size
  • flash0\vsh\module\paf.prx - has different size

5.XX Kernel[edit | edit source]

5.00[edit | edit source]

October 15, 2008 Download

First "Universal" Firmware for the Original PSP, the PSP Slim and the PSP 3000

  • [PlayStation Network] has been added as a category on the XMB
  • [PlayStation Store] has been added under [PlayStation Network] menu
  • [Account Management] has been added under [PlayStation Network] menu
  • Sleep Timer Function for [Music]
  • [USB Auto-Connect] Feature added for PSP-1000 and PSP-2000
  • A new full-screen keyboard; press [Select] when the On-Screen Keyboard is displayed.
  • A new optional redesigned XMB Background
  • A new video format is supported (MPEG-4 AVC (H.264) Video Main Profile (AVC CABAC) in 640 x 480 pixels)
  • [Title Display] feature under [Settings]
  • [Backlight Auto-Adjust] has been added as an option under [Power Save Settings]
  • Screen capture has been added as a feature within games and the internet browser (this is up to the game developer or the web site developer to support though).

PSP Slim and PSP 3000 only features:

  • Full screen and/or interlaced TV-out option for PSX games

5.01[edit | edit source]

October 22, 2008 Download

  • Fixed a bug where PSP owners using 8GB or 16GB Memory Stick PRO Duos get a message saying there is insufficient memory space on their Memory Sticks while downloading stuff from the PlayStation Store even when there is enough space.

5.02[edit | edit source]

November 20, 2008 Download

  • System software stability during use of some features, including PlayStation(R)Store, has been improved.

PSP Slim only features:

  • One-segment channel list updated, now Niigata Prefecture - Shiga Prefecture and Takada - Koka local channels can be received properly. (Japanese version only)

5.03[edit | edit source]

January 20, 2009 Download

  • System software stability during use of some features, including PlayStation(R)Store, has been improved.
  • Patches Gripshift exploit.

5.05[edit | edit source]

January 06, 2009 Download: [35] (Comes on certain UMDs)

  • Compatibility update for Idolm@ster SP and a few other games.
  • Due to having an earlier build date than firmware 5.03, firmware 5.05 has effectively un-patched the Gripshift exploit, that got patched in firmware 5.03.
    • The Gripshift exploit remains fixed in the following firmwares though.

5.50[edit | edit source]

April 21, 2009 Download

  • [Information Board] has been added
  • Memory Stick improvements
    • Sub-folder support has been added for music, videos, and photos
    • Space required to download a file from PlayStation Store to your Memory Stick has been reduced significantly.
  • [Internet Search] for games directly from the XMB has been added
  • Trend Micro trial has been added for the Web Browser.
    • Trend Micro Web Security
    • Trend Micro Kids’ Safety
  • Exploit via libTIFF bug patched

5.51[edit | edit source]

June 11, 2009 Download

  • System software stability during use of some features has been improved.
  • Patches kernel exploit used in ChickHEN

5.55[edit | edit source]

July 6, 2009 Download: [36] (Comes on certain UMDs)

  • Compatibility update for certain UMD games. For a list of those games, see Official Firmware 5.55

5.70[edit | edit source]

Pre-installed Only Download: [37] (Only PSAR) (PSAR download for PSP Go) Initial firmware on very early production PSP 3000 04g and PSP Go models.

  • Support for PSP 3000 04g model.
  • Support for PSP Go model.

6.XX Kernel[edit | edit source]

6.00[edit | edit source]

September 10, 2009 Download (does not exist for PSP Go)

  • Games can now be grouped and displayed in folders based on their expire date under [Game].
  • Under [Settings], [Network Update] has been changed to [System Update]. Under [System Update], you can now choose how to update the system software.
  • The number of colors that can be selected under [Settings] > [Theme Settings] has been increased.
  • Revisions to strengthen security have been added.
  • Screen mode "Custom" has been added in pops with PSOne Classics for perfect zooming.

6.10[edit | edit source]

September 30, 2009 Download (Download for PSP Go)

  • Bluetooth Tethering for Internet Access.
  • The [Standard] option for [Display Panel Close Options] has been changed.
  • [Memory Stick] has been added as a save destination for content downloaded from PlayStation Store.
  • The Dial-Up Networking profile has been added as one of the supported Bluetooth profiles.
  • [Update] has been added to the list of options for games and applications.
  • [Version] has been added as new metadata information for content stored under [Game]
  • SensMe Channels added
  • Playlist support has been added for playlists imported from Media Go
  • Some enhancements were added for Media Go

6.20[edit | edit source]

November 18, 2009 Download (Download for PSP Go)

  • The 'Archer MaClean's Mercury Exploit' was patched.
  • Wireless LAN LED no longer flashes when online
  • The [TV] category has been integrated into the new [Extras] category in the XMB (XrossMediaBar) menu. PSP2000.svg PSP3000.svg PSPN1000.svg (Japanese Version)
  • [Digital Comics] reader added under [Extras].
  • The importing of playlists from the Media Go application is now supported under [Video].
  • The importing of playlists from the PlayStation 3 system or the Media Go application is now supported under [Photo].
  • Some enhancements were added for Media Go

6.30[edit | edit source]

June 29, 2010 Download (Download for PSP Go)

  • Games can now be sorted by their format (PSP, minis, PlayStation, PC Engine, and Neo Geo.)
  • PlayStation Plus compatibility.
  • The Patapon 2 Save Game Exploit was silently patched.
  • The Datel cheat device was silently patched.

6.31[edit | edit source]

July 29, 2010 Download (Download for PSP Go)

  • The system stability of certain titles has been improved
  • Fixed a bug in Persona 3 Portable when games couldn't be played after the PSP was put in standby.

6.35[edit | edit source]

November 24, 2010 Download (Download for PSP Go)

  • The Hot Shots Golf Save Game Exploit was silently patched.
  • Prepares the PSP system for Qriocity, a cloud-based music service.

6.36[edit | edit source]

UMD Only First found on December 1, 2010 Download (does not exist for PSPgo)

  • System software stability during use of some features has been improved.

6.37[edit | edit source]

January 20, 2011 Download (Download for PSP Go)

  • System software stability during use of some features has been improved.
  • The Everybody's Sukkiri #1 Save Game Exploit was patched.
  • The scepower kernel exploit was patched.

6.38[edit | edit source]

April 12, 2011 Download (Download for PSP Go)

  • Allows access to the Qriocity service.
  • System software stability during use of some features has been improved.

6.39[edit | edit source]

May 24, 2011 Download (Download for PSP Go)

  • Forces users to change their PlayStation Network password as a result of the PlayStation Network outage.
  • System software stability during use of some features has been improved.
  • System security has been improved.

6.50[edit | edit source]

Pre-installed Only First found on August 16, 2011 Download: N/A This firmware is only available pre-installed (initial firmware) on very early production PSP-E1000 models.

  • Support for PSP-E1000 model.

6.60[edit | edit source]

August 10, 2011 Download (Download for PSP Go) First "universal" firmware version for all PSP models; PSP-1000, PSP-2000, PSP-3000, PSP-N1000 and PSP-E1000 series

  • System software stability during use of some features has been improved.
  • PlayStation Spot (Japan users only) has been removed from Network menu corresponding with the end of the PlayStation Spot service.
  • Some1′s kernel exploit has been patched.

6.61[edit | edit source]

January 15, 2015 Download (Download for PSP Go)

  • System software stability during use of some features has been improved.

Region Dest
JP 00, 10, 20, 30 jp
US 01, 11, 21, 31 us
EU 02, 12, 22, 32 eu
KR 03, 13, 23, 33 oa
UK 04, 14, 24, 34 ob
MX 05, 15, 25, 35 oc
AU/NZ 06, 16, 26, 36 od
E/HK 07, 17, 27, 37 oe
TW 08, 18, 28, 38 of
RU 09, 19, 29, 39 og
CN 0a, 1a, 2a, 3a oh

External links[edit | edit source]

Official PlayStation Portable System Software Update pages:

United States Update History

# JP
# US
# EU
# KR
# UK
# MX
# E/HK
# TW
# RU
# CN
# JP
# US
# EU
# KR
# UK
# MX
# E/HK
# TW
# RU
# CN


PSP Firmware revisions Global Current
Retail All regions PSP 1.00  ·   PSP 1.50  ·   PSP 1.51  ·   PSP 1.52  ·   PSP 2.00  ·   PSP 2.01  ·   PSP 2.50  ·   PSP 2.60  ·   PSP 2.70  ·   PSP 2.71  ·   PSP 2.80  ·   PSP 2.81  ·   PSP 2.82  ·   PSP 3.00  ·   PSP 3.01  ·   PSP 3.02  ·   PSP 3.03  ·   PSP 3.10  ·   PSP 3.11  ·   PSP 3.30  ·   PSP 3.40  ·   PSP 3.50  ·   PSP 3.51  ·   PSP 3.52  ·   PSP 3.60  ·   PSP 3.70  ·   PSP 3.71  ·   PSP 3.72  ·   PSP 3.73  ·   PSP 3.80  ·   PSP 3.90  ·   PSP 3.93  ·   PSP 3.95  ·   PSP 3.96  ·   PSP 4.00  ·   PSP 4.01  ·   PSP 4.05  ·   PSP 4.20  ·   PSP 4.21  ·   PSP 5.00  ·   PSP 5.01  ·   PSP 5.02  ·   PSP 5.03  ·   PSP 5.05  ·   PSP 5.50  ·   PSP 5.51  ·   PSP 5.55  ·   PSP 5.70  ·   PSP 6.00  ·   PSP 6.10  ·   PSP 6.20  ·   PSP 6.30  ·   PSP 6.31  ·   PSP 6.35  ·   PSP 6.36  ·   PSP 6.37  ·   PSP 6.38  ·   PSP 6.39  ·   PSP 6.50  ·   PSP 6.60  ·   PSP 6.61  ·
NonRetail Hardware Tool PSP 6.31-A HT  ·   PSP 6.35-B HT  ·  
Testing Tool PSP 2.00-020 TT  ·   PSP 2.50-A TT  ·   PSP 2.50 TT  ·   PSP 2.60 TT  ·   PSP 2.60-C TT  ·   PSP 2.60-D TT  ·   PSP 2.71-beta TT  ·   PSP 2.71-A TT  ·   PSP 2.80-beta TT  ·   PSP 2.80-A TT  ·   PSP 2.81-A TT  ·   PSP 2.82 TT  ·   PSP 3.00-beta TT  ·   PSP 3.03-A TT  ·   PSP 3.10-beta TT  ·   PSP 3.11-A TT  ·   PSP 3.30-beta2 TT  ·   PSP 3.30-B TT  ·   PSP 3.40-A TT  ·   PSP 3.50-beta TT  ·   PSP 3.50-B TT  ·   PSP 3.51-A TT  ·   PSP 3.51-B TT  ·   PSP 3.52-A TT  ·   PSP 3.71-A TT  ·   PSP 3.72-A TT  ·   PSP 3.80-beta TT  ·   PSP 3.80-beta2 TT  ·   PSP 3.80-A TT  ·   PSP 3.90-A TT  ·   PSP 3.95-beta TT  ·   PSP 3.95-A TT  ·   PSP 4.01-A TT  ·   PSP 4.05-A TT  ·   PSP 5.00-beta TT  ·   PSP 5.01-A TT  ·   PSP 5.02-A TT  ·   PSP 5.03-A TT  ·   PSP 5.50-beta TT  ·   PSP 5.50-B TT  ·   PSP 6.10-A TT  ·   PSP 6.20-A TT  ·   PSP 6.30-A TT  ·   PSP 6.31-A TT  ·   PSP 6.35-B TT  ·   PSP 6.37-A TT  ·