Canon EOS 6D Instruction Manual page 38

Operating the Camera Using a Smartphone
Terminating the Connection
Images are saved in S2 size JPEG format on smartphones. RAW
images are also saved as S2 size JPEG images.
Although movies are included in the list, they cannot be saved.
If the camera's auto power off is activated during the wireless LAN
connection, the camera will switch to standby mode. Wireless LAN
connection is restored when the camera wakes up from auto power off.
38
Select [Exit].
1
If the screen on the left is not
displayed, select [Wi-Fi function]
under the [53] tab on the camera's
menu screen.
Select [Exit] and press <0>.
Select [OK].
2
Press the <U> key to select [OK],
then press <0> to terminate the
connection.