I have purchased karbon k442 in bhimavaram, west godavari dist on october month. after 1 1/2 month the mobile is not working properly due to software problem then i contacted the mobile service centers in the warranty book no one had give a response to my call even the company service number & toll free number also. to whom should i contact to get it repair even though i having using it from 1 month with that problem.
from
p durga prasad
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