This morning at 4 am (EET) I got a new OTA: 3.16.401.10. Sadly, I just installed it and didn't save it to my phone. I'm realy sorry.
The message stated that it's an optimisation OTA and by installing I got no new radio.
It's much smoother and a bit faster than 3.16.401.08.
My cid is HTC_405.