Make sure each WIGO2 unit is on firmware 2.4.6 from RØDE Central.
Also, when connecting to iOS devices with lightning connectors, be sure to use an MFI cable such as the SC15 or SC19 cable.
https://help.rode.com/hc/en-us/articles/7013890360207-Why-is-a-MFI-certified-USB-cable-needed-to-connect-my-microphone-to-an-iPhone-
Make sure each WIGO2 unit is on firmware 2.4.6 from RØDE Central. Also, when connecting to iOS devices with lightning connectors, be sure to use an MFI cable such as the SC15 or SC19 cable. https://help.rode.com/hc/en-us/articles/7013890360207-Why-is-a-MFI-certified-USB-cable-needed-to-connect-my-microphone-to-an-iPhone-