There are some variations in Garmin's firmware for different geographical regions - with Asia seeming to lag behind. The US and European versions of the Varia Bike Radar are at 3.00
Tsk Jay
Solved
I use Garmin webupdater (mac app I don't know if exist also for PC).
Garmin express in this case does not work
Now 3.0 upgraded.
This upgrade seem to work better than previous version