Please follow the steps below to properly enable Wi-Fi connectivity:

  1. Connect your device via cable and open Finder -> Locations (choose your iOS device) -> Options -> enable checkbox Show this iPhone when on Wi-Fi.
  2. Then, open up WALTR PRO, and on the bottom right corner, click on the Settings icon.
  3. In the Wi-Fi section of Settings, make sure you've checked the box Enable Wi-Fi connection for this device.
  4. Finally, re-launch WALTR PRO -> unlock the screen on your device and wait a bit and your device should show up.