As updated? My not tell me that there is no upgrade available! We do still have the 7740 and I have VODAFONE
Latest update available for lumia 8oo. (7.10.8107.79).
To download some useful advice. (My cost me 15 attempts).
A-Download Zune application for OS upgrade.
B-VERY IMPORTANT: reliable connection, if possible fiber
After C-14 attempts to do combinations and tired, I went to Settings and disconnected EVERYTHING.
Except: Connecting data, and in half an hour had run the 10 steps of the update.Done!