So it seems certain people in the DMR community have it in for the DV4Mini. I’m a prior owner and have had my fill of problems. I was happy to have sold mine. For some, they’re happy with it. I didn’t have a good experience. Anyhow, on this evenings Wednesday Night DMR net at 7pm on Minnesota Statewide, there was discussion about recent problems and it appears the US managers of the 4 nodes in the United States disabled support for the TG4999 reflector service.
Here’s a link to another article with some additional information: