I gave my set 3600s to M/s.S.R. Trading co., Teynampet, Chennai, Tamil Nadu, India on 25th September as the mobile keys were not working. After that I contact them in the given number every 2 days with some elusive reply. After 5th day they said they will call me. As no call came I myself again called them on 5th October and asked for the position. A gentlemen replied saying the unit cannot be repaired and can be taken back after verifying the details from his side. However I was asked to give a call again after 40 minutes. I did it. I got a... read full review »