Firmware History File Model: DVR-LX70D Ver.4.21 The update improves - Losing DVB-T channel list in certain condition. - Can't receive certain DVB-T channels broadcasted by VHF3 band in Italia. - Showing unnecessary DVB-T channels on the channel list in Italia. Note: Please make sure to reset your recorder to all its factory settings with the following procedure and then make again the basic settings with the Setup Navigator. * If you do not reset your recorder, fixes related to DVB-T channels will have no effect. Procedure to reset your recorder: 1. Make sure that the recorder is on. 2. Using the front panel controls, press and hold "Stop" and press "STANDBY/ON" Ver 4.17 - The update improves - the EPG link feature (only available in the UK) - that in some specific cases the scheduled timer recordings dissapear from the digital EPG (conditions: EPG Link: ON, Series Recording: OFF) - improved working of the EPG Link feature when the setting "Digital Tuner Auto Update" is enabled - that on some specific DVB-T channels (SFN) block noise, picture freeze or intermittent black picture might occur - playback of a specific DVD "Lissi und der wilde Kaiser" Ver 4.15 - The update improves that the audio channels - received by the built-in digital tuner - are inverted (L/R) L channel is played/recorded as R channel, and R channel is played/recorded as L Recorded titles on the HDD will not be corrected after the update, but new recordings will not have the inverted audio channels anymore. Ver 4.07 - Initial release for DVR-LX70D