Software history The latest software improves the below: NOTE: Each release contains all solutions identified in the earlier version. System Software Version: 1.62 Harry Potter and the Deathly Hallows. Mozart - Don Giovanni Wiener Philharmoniker. System Software Version: 1.57 Enhance the video file playability. Enable subtitle for .mkv playback. System Software Version: 1.53 This software upgrade* enables you to enjoy Philips NetTV online services. *: For future software upgrades from ver.1.53, please download the future software versions from www.philips.com/support site only & upgrade your player via USB. System Software Version: 1.31 Improve playback of certain BD, DVD discs. System Software Version: 1.30 Improve playback of ‘AVATAR’ Blu-ray disc. Improve Wi-Fi wireless performance with Philips Wi-Fi USB adapter, WUB1110. Improve DLNA performance.