Using the phones for last 3.5 years only faced 1 problm i.e, few tyms the phone auto restrt itself .
Pros( NOT MENTIOND IN ABOVE specs nd cmnts):-
1)SUPPORTS OTG(although officials of nokia care doesnt know).
Cons:-
1)no option to off the sound of camera .
just updted ur nokia asha 311 software to V7.36 .it iz amazing . Provided some extraa featrs like mail sync, it can copy msg to notes/calendar, hike, ebuddy, few games(poker and many new games), some icons of apps are change;etc and another update of nokia xpress browser which supports multi - window browsing
.given 4 star bcj the phn auto restrt itself few tyms & price iz little higher acc. to the provided features.