Canon EOS-1D X Mark III DSLR Camera (Body Only) - Manual (Page 900)

Problems with wireless features
Cannot pair with a smartphone.
Use a smartphone compliant with Bluetooth Specification Version 4.1 or later.
Turn on Bluetooth from the smartphone settings screen.
Pairing with the camera is not possible from the smartphone's Bluetooth settings screen.
Install the dedicated app Camera Connect (free of charge) on the smartphone (
).
Pairing with a previously paired smartphone is not possible if pairing information
registered for another camera remains on the smartphone. In this case, remove the
camera's registration retained in the Bluetooth settings on the smartphone and try
pairing again (
).
Wi-Fi functions cannot be set.
If the camera is connected to a computer or another device with an interface cable,
Wi-Fi functions cannot be set. Disconnect the interface cable before setting any
functions.
A device connected with an interface cable cannot be used.
Other devices, such as computers, cannot be used with the camera by connecting them
with an interface cable while the camera is connected to devices via Wi-Fi. Terminate
the Wi-Fi connection before connecting the interface cable.
Operations such as shooting and playback are not possible.
With a Wi-Fi connection established, operations such as shooting and playback may not
be possible. Terminate the Wi-Fi connection, then perform the operation.
Cannot reconnect to a smartphone.
Even with a combination of the same camera and smartphone, if you have changed the
settings or selected a different setting, reconnection may not be established even after
selecting the same SSID. In this case, delete the camera connection settings from the
Wi-Fi settings on the smartphone and set up a connection again.
A connection may not be established if Camera Connect is running when you
reconfigure connection settings. In this case, quit Camera Connect for a moment and
then restart it.
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