[Resolved]  Karbonn Mobiles — SIM INVALID & NETWORK PROBLEM &KEYPAD NOT WORKING PROPERLY.

Address:Bardhaman, West Bengal

I HAVE PURCHASED A KARBON MOBILE, MODEL NO.- K580,DATED 25/09/2010 .AFTER PURCHISING THERE ARISED SEVARAL PROBLEM MENTIONED ABOVE ---
SIM INVALIED & NET WORK PROBLEM &KEYPAD NOT WORKING PROPERLY. I SUBMITTED THE MOBILE AT YOUR AUTHORISED SERVISING CENTER (MUKHERJEE TELECOM) AT BURDWAN ON 08/11/2010. BUT TILL NOW I HAVE NOT RESPONED ABOUT THE SAME.SO PLEASE LOOK AFTER THE PROBLEMS

PLEASE REPLY AS SOON AS POSSIBLE AT ----chakraborty.[protected]@yahoo.com

Mobile No--[protected]
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Aug 13, 2020
Complaint marked as Resolved 
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I have purchased Karbonn K580 from chennai..it some times not reads the memory card.It also shows invalid sim/insert sim for SIM 2 even in betwen call.Loud speaker sound is very low, sometimes unable to hear the ringtone.The default ringtone plays most time when call comes

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