Canon EOS R5 C User Manual page 479

Maintaining a Wi-Fi Connection When the Camera Is Off
Even when the camera power switch is set to <
smartphone via Bluetooth, you can use the smartphone to connect via Wi-Fi and browse
images on the camera or perform other operations.
If you prefer not to connect via Wi-Fi to the camera when it is off, either set [Airplane mode]
to [On] ( ) or set [Bluetooth settings] to [Disable].
Caution
This function can no longer be used if the wireless settings are reset or the
smartphone connection information is erased.
>, as long as it is paired to a
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