I am writing to warn people that Opera synching service is not worth. I had to format my tablet. Tried to login and had to change my password. Now everything I ever had was just erased. There is no information even of on old devices.
The right thing to do was for Opera to release a way for us to save locally a copy of our data instead of using their unreliable service. like other browsers do.
Since I lost everything I'll use the opportunity to jump to a more reliable browser. That is why I hate cloud services.