Canon EOS R6 Mark II Mirrorless Camera with 24-105mm f/4-7.1 Lens - Manual (Page 721)

Maintaining a Wi-Fi Connection When the Camera Is Off
Even when the camera power switch is set to < >, as long as it is paired to a
smartphone via Bluetooth, you can use the smartphone to browse images on the camera or
perform other operations.
If you prefer not to stay connected to the camera via Wi-Fi or Bluetooth 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.
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