I bought the mobile nokia c7 with one year warranty. and i bought it on 29th january 2011 and the same day when i was using the mob is got stuck for 1 hour and switched off. but then it switched on again.then it switched off after soem time and remains witched off for last two.still its switched off. i wen to Sharaf DG as bought it recently and i was not expecting dis kind of bad product having from SHARAF DG. so i asked the customer service represenatative to kindly replace my mob and giveme the new one he totally refused to do that and said... read full review »