Canon EOS 80D - Manual (Page 277)

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Operating the Camera Using a Smartphone
To terminate the connection, perform either of the following operations.
On the smartphone’s Camera
Connect screen, tap [t].
On the camera’s [qWi-Fi on]
screen, select [Disconnect,exit].
 If the [qWi-Fi on] screen is not
displayed, select the [51] tab 9
[Wireless communication settings]
9 [Wi-Fi function].
 Select [Disconnect,exit], then select
[OK] on the confirmation dialog to
terminate the connection.
Terminating the Connection