V1.75 includes the following changes:
• Update on Verance.

The former firmware version includes the following changes:
• Improve network upgrade performance. (1.74)
• Compliance with new regulation from AACS (Advanced Access Content System) by implementing the Cinavia watermark content protection solution from Verance. With this Cinavia watermark implementation, the player will not be able to play unauthorized copied disc. For details on Cinavia protection technology, visit Cinavia Online Consumer Information Center (http://www.cinavia.com). (1.74)

• Improve playability of disc for Harry Potter.(1.73)
• Enhance product performance. (1.71)
• Improve playback of ‘AVATAR’ Blu-ray disc. (1.54)
Kindly download the software at www.philips.com/support