AEG T8DHC876C User Manual page 22

WI-FI - CONNECTIVITY SETUP
If a program is running, the App notifies that the update will start at
the end of the program.
During the update, the appliance shows a message telling that
update is running.
The appliance will usable again at the end of the update, without
any notification about successful update.
If an error occurs, the appliance warns that update has failed: just
press any buttons or turn the knob to return to normal use.
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