We wrote Grundig directly and got the answer that the problem is known, it is being worked on fixing, it would probably be in the future a software update, by that would resolve the issue.
In short, the radio went back again. We got the money back (after two complaints will not be replaced more delivered) and would, if we wanted to have the equipment complies in fact other qualities, a new order. But that's now become more expensive.
Unfortunately. When Model 3F Web IP, which we already had, we encountered no problems. The sound quality and functionality in total were fine. However, this equipment is expensive, for functions that we do not need.