Canon EOS-1D X Mark III EOS-1DX Mark III Advanced User Guide - Page 732

Resetting Communication Settings All settings of network features can be cleared. This can prevent the information from being leaked if you lend the camera or transfer ownership. 1. Select [ : Reset communication settings]. 2. Select [OK]. Caution 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. 732