Canon EOS 5D Mark IV L-series Standard Zoom Lens Kit Owner's Manual

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W-16
Using an NFC-enabled smartphone or Connect Station enables you to 
do the following:
Touch a smartphone to the camera to easily connect them wirelessly 
(p.W-21).
While playing back images on the camera, touch a smartphone to 
the camera to send a captured image to the smartphone (p.W-31).
Hold the camera close to Connect Station (sold separately) to easily 
connect them wirelessly (p.W-44).
When using the NFC function, follow the steps below to set the 
camera’s NFC setting.
1
Select [Communication settings].
Under the [54] tab, select 
[Communication settings], then 
press <0>.
2
Select [Built-in wireless settings].
3
Select [Wi-Fi/NFC].
NFC Function
What is NFC?
NFC (Near Field Communication) is a function that can exchange 
information by simply bringing two NFC-enabled devices close together. 
This camera uses the NFC function to exchange the data for wireless 
connections.