Very frustrated with C8 & Z-wave radio Crash & Lockup

We've got your warranty case and was reviewing your case. What makes you believe the issue is with Z-Wave? Based on hub's engineering log we don't see any problems with your Z-Wave radio. The details you've shared thus far, are also not indicative of a radio malfunction. Do you see any excessive activity in your past logs from one or more devices and/or apps?