Ok thanks, I had understand, After I tried sync.opera.com and I've got a white page.
If it's not available, why to put it in these versions ?
In fact, like I said, I Lost bokmarks and History but I Always have the same speed dial. I putted all bokmarks in a folder on the speedy dial, unfortunately it wasn't restore.
Where are these bookmark on my phone ? Hide folder (like app data on pc) but they are / they were necessarily somewhere.