Firmware:

Web-IO Digital 2xIn, 2xOut

Model 57637

57637(N) (recognizable by the existing firmware starting from v4.xx / March 2018)

Current firmware
Date	Changes and comments	Revision
January 8, 2020	Timeswitch - changed format in Google Calendar caught To load this firmware, WuTility must be used in the newest version included!	4.04 ZIP Download

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Older firmware
Date	Changes and comments	Revision
March 23, 2018	Firmware for the 0 series To load this firmware, WuTility must be used in the newest version included!	4.02 auf Anfrage

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57637 (recognizable by the existing firmware v3.xx)

Current firmware
Date	Changes and comments	Revision
August 5, 2020	Network handling revised To load this firmware, WuTility must be used in the newest version included!	3.77 ZIP Download

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Older firmware
Date	Changes and comments	Revision
January 8, 2020	Timeswitch - changed format in Google Calendar caught To load this firmware, WuTility must be used in the newest version included!	3.75 auf Anfrage
February 6, 2018	Network buffer management revised Time Switch - Cyclical appointment processing optimized	3.69 auf Anfrage
September 25, 2017	Firmware with SSL support in client modes Time Switch: Processing of UTC and local time optimized To load this firmware, WuTility must be used in the newest version included!	3.68 auf Anfrage
February 3, 2017	Firmware with SSL support in client modes Time Switch: Optimized reloading of ics files To load this firmware, WuTility must be used in the newest version included!	3.62 auf Anfrage
May 5, 2015	Firmware with SSL support in client modes Time Switch: Error handling when ics-files not present optimized To load this firmware, WuTility must be used in the newest version included!	3.50 auf Anfrage
February 25, 2015	Firmware with SSL support in client modes Login behavior optimized Timer function only after free licensing Download of online calendars via HTTPS revised Internal memory management newly structured To load this firmware, WuTility must be used in the newest version included!	3.48 auf Anfrage
May 5, 2014	Firmware with SSL support in client modes Sending of SSL encrypted e-mails possible Online calendars can be opened via HTTPS UDP network buffer administration optimized Community string for SNMP traps configurable To load this firmware, WuTility must be used in the newest version included!	3.47 auf Anfrage
August 7, 2013	Socket interface: Processing of the "allout" command improved Time-Switch: Processing of comma-delimited arguments optimized Time-Switch: Blanks in front of the calendar URL are now ignored SNMP: Setting of Enable flags expanded	3.44 auf Anfrage
April 23, 2013	Optimized processing of requests with transfer encoding: Chunked Time-Switch: load option "no refresh" corrected Time-Switch: Summer time-winter time switching without time server corrected Time-Switch: BYDAY with +/-nWday corrected External clock: Conversion to UTC SMART page: Indexing of user tags corrected HTTP Client: INPUT was also triggered by Pending TCP (fixed) To load this firmware, WuTility must be used in the newest version included!	3.42 auf Anfrage
November 9, 2012	Time Switch: Summer/winter time behavior optimized Time-Switch: Exception response for repeating dates optimized Time-Switch: Syntax expansion for Google Calender Indexing of tags on smart page revised To load this firmware, WuTility must be used in the newest version included!	3.41 auf Anfrage

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