Canon EOS 90D DSLR Camera with 18-135mm Lens - Manual (Page 480)

480
Clearing Wireless Communication Settings
to Default
All wireless communication settings can be deleted. By deleting the wireless
communication settings, you can prevent their information from being
exposed when you lend or give your camera to other people.
1 Select [ k : Clear wireless settings].
2 Select [OK].
o Performing [
5
: Clear all camera settings] does not delete the wireless
communication setting information.
o If you have paired the camera with a smartphone, on the smartphone’s
Bluetooth settings screen, delete the connection information of the camera for
which you restored default wireless communication settings.