Software history
Main modifications
Each release contains:
 All solutions identified in earlier versions
 Improved connectivity to improve compatibility with other external devices
 As Philips pursuits to continuesly improve their products,it is possible
that the channels/preset list is affected after upgrading to a newer
software version. Therefore we recommend to re-install the
channels/presets after completing the software upgrade procedure.
Q581E_1.64.14.15
 Picture quality improvement due to modified noise algorithm.
 Improved start-up behavior.
 Text correction of menu items when Slovenian language is selected.
Q581E_1.64.14.14
 Lipsync problems with AC3 streams and TF1(France).
 In case MPEG audio is present,it shall be choosen above AC3.
 User still has the possibility to choose between the 2 audio formats
via audio menu.
Q581E_0.64.14.11
 Intro new set types
 Improvements for ”Hotel TV”
 Solved:hum/noise in left speaker
 Solution for UK top-up smart card
 Support neotion smart card
Q581E_0.64.14.4
 general HDMI improvements
 solution for SKY HD box picture problems with HDMI in United Kingdom
Q581E_0.59.31.0
 start-up behaviour improved
Q581E_0.59.28.0
 picture improvements for 42PFL9900D and 52PFL9632D
 start-up behaviour improved
Q581E-0.59.23.0
 solved: M6 broadcaster(Luxembourg) could not be captured
Q581E-0.59.21.0
 improved USB performance
 improved channel installation
Q581E-0.59.19.0
 solved: MUX reception Gilford (United Kingdom) not recognized
 solved: teletext occasionally blocked
 stability improvements for MHEG in in United Kingdom
 color correction when switching from DVI to HDMI
 picture improvement when PC is connected to TV with static content.
(Associate or link your external as 'PC' via the menu settings)
Q581E-0.59.14.0
 solved: purple bar at right side of the screen with Canal+
 picture improvements (removal of macro blocks)
 solved: some channels not found after auto-install in France
(like Canal+ and TF1)
Q581E-0.59.10.0
 solved: no 'shop-mode' for AmbiLight.
Q581E-0.51.19.0
 improved picture performance with subtitles on
Q581E-0.51.11.0
 expanded vertical shiftrange with up/down keys on Remote Control
 improved automatic installation procedure
 improved Teletext character set
 solved: picture shift wrong after 'recall factory settings'