What issues in Philips TV are solved with a software upgrade?

The latest software solves the issues below:

• TV (Plasma 42” and 50”) will not turn ON/shut off itself and Red LED blinks 4- times. Recover if main switch on/off.
• 37” LCD full white screen appear when upgrade software
• Some channels not available after turn ON
• Delta volume changes, not remembered
• Preferred channel changes, not remembered
• Green or yellow static (sometime snowy) on HDMI picture
• Picture and sound loss for 5 to 10 sec (green LED is still ON) and back to normal
• Audio loss in all inputs and can be recovered when main switch ON and OFF
• TV set turn ON by itself/ green LED light up and goes off when set is ON
• Intermittent audio loss in NTSC RF channel
• Crack sound with high input signal
• Include the possibility to download the rating table (RRT5 capability) for digital programs
• No video/ no picture with sound
• Intermittent On-Screen Menu pop up by itself and can be removed by pressing the [Menu] button
• Channel information display too long
• Improvement on scramble channel

How to check the current software version on my TV set

Where can I find the latest software for my TV set?