Connection problems belong to two groups: USB connection problems and Wi-Fi Connection problems. It certainly is better to first make sure your unit can hook up to iMazing via USB.
Wi-Fi and USB connection problems may have origins that are many these are typically of course complex processes which are sometimes difficult to troubleshoot. Usually, the situation will even impact reference to iTunes.
Before continuing any more, be sure iTunes is as much as date, particularly when your unit’s iOS variation is present