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Posted: Monday Sep 12th, 2011 02:23 am

Joined:	Wednesday Aug 9th, 2006
Location:	Singapore
Posts:	3493
Status:	Offline

Yes you must use the UCM with programming cable to upgrade the Comfort and UCM/CBus to the latest firmware which must be at least 6.000 and above.

Note that only modules which have firmware 5.100 and abive can be upgraded by the programming cable. Your Comfort 5.113 is fine, but you need to check the UCM/Cbus firmware
The flashable UCM/Cbus should like like this

The UCM 5.092 is the older type UCM01 and cannot be upgraded to support Firmware upgrading by bus or by direct connection to PC

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