Canon EOS 5D Mark IV Instruction Manual page 21

[Wi-Fi/NFC]
Set whether to [Enable] or [Disable] the wireless functions. You can
also set whether to enable or disable the NFC function.
Set to [Enable] to enable the selection of [Wi-Fi function], [Send

images to smartphone], and [Clear settings].
When the use of electronic devices and wireless devices is

prohibited, such as on board airplanes or in hospitals, set it to
[Disable].
[Wi-Fi function]
The following Wi-Fi functions are available:
Connect to smartphone

Remote control (EOS Utility)

Print from Wi-Fi printer

Transfer images to FTP server

Upload to Web service

[Send images to smartphone]
While the camera is connected to a smartphone, use this function to
send images stored in the camera to the smartphone.
[Nickname]
(p.16)
Register or change the nickname.
[Clear settings]
Clear all built-in wireless communication settings.
(p.143)
Basic Operation and Settings
(p.87)
21