Good news, there's a firmware 1.7.0 beta test available for the v2 version of the M4, with among others support for customizing satellite Deco signal source and client connection preferences! So it...

@David-TP Thank you for making this beta version available for everyone to test it. I've installed it on my M4's today and after a few quirks (switching from red flashing light / white steady light)...

@David-TP How nice that's there's a beta version for the M4 v2 available! I would like to test this one out as it allows me to select the signal source and connection preference. Sometimes my WiiM...