Canon EOS 6D Mark II Mode D'emploi page 244

Sending Images to a Smartphone from the Camera
W-32
Select an image to send.
4
Turn the <5> dial to select an image

to send, then press <0>.
By pressing the <1> button and

turning the <6> dial
counterclockwise, you can switch to
the index display and select an
image.
Select [Send img shown].
5
To select a size at which to send the

image, select [Resize image] and
press <0>.
Select [Send img shown] and press

<0> to send the image displayed.
 When the transfer is complete, the
screen for step 4 will reappear.
To send another image, repeat steps

4 and 5.