Attached is version 1.011.
There are 2 ways to upgrad the firmware on this model. You will need 1 of the following 2 items
1) an
ECR serial comms cable (and possibly a USB to serial convertor)
OR2) An SD Card and a card writer for your computer.
Instructions are included in the attachment
This firmware version requires
PC Utility version 1.004 or later as there have been some file structure changes. Please read the Firmware version info doc in the zip file for full details.