I can confirm.
Working just fine in Czech republic on O2
Ok I'm rooted, unlocked & encrypted. I've updated from ob2 to Stable to ob3 to ob4 w/o losing any data or apps thru following steps. ( Step 1 may b unnecessary but taken as precaution)
1) Remove any security pin/pattern in settings.
2) Boot to...
Now available in Czech Republic via sms download.:D