Honeywell Home Smart RTH6580WF1003 Series User Manual page 29

Software updates
The software for this thermostat is periodically
updated. The updates occur automatically through
your Wi-Fi connection. All your settings are saved,
so you will not need to make any changes after the
update occurs.
While the update is taking place, your thermostat
M34001
screen flashes Updating and shows the percentage of
the update that has occurred. When the update is
complete, your home screen will appear as usual.
Percentage of
Note: If you are not connected to Wi-Fi, you will not get
update complete
automatic updates.
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