Dear Sir, I am guruprasad. I bought the 3500c phone in univercell at 3-3-09. but after 3 months it got problem by hanging, when i go to inbox the phone hangs. No incoming calls. and after i switched off on on the phone works properly for 5 min and it 'llbecome same problem. so i gave service at Nokia authorised care for 3 times but the problem is not overed till. First time I gave service on 3rd august 2009 after receiving then since the problem occured i gave for second time service on 22nd august 2009. But now also the problem wa... read full review »