i have just been to spain and after a few days of using my 6510 wiyhout any problems, when i put the charger in the socket it immediately came up "phone restricted". when pressing the "undo" option it requests a deristiction code. Any one know why it has done this and how i derestrict it? the problem is not with the sim card-this works fine in other phones. Also when i do *#06# to look at the imei number it just displays a load of ?????????????? . have taken phone into a shop who said they have never seen this before.Please help ?