1. Camera's Wi-Fi is set to [Enable] If [Built-in wireless settings]'s [Wi-Fi/NFC] is set to [Enable] under [ Connecting the Camera to a Computer using a USB Cable (EOS 5D Mark IV).
When the smartphone is NFC-enabled, go to "Step 2- B : Connect the Camera and Smartphone (Connect Wirelessly)". When the smartphone is not NFC-enabled, go to