Karbonn Mobiles — Model no A 9*

Address:

Mumbai City, Maharashtra

I have purchased the above mentioned mobile at Alfa Mumbai vide bill no. B/209 date.25/12/2013 imei no. # : [protected]. since the date of purchase this mobile is giving me lot of trouble at is hanging up again and again the wifi is also not working consistently. i have complaint several times at your Borivali service centre( java telecom centre) they say that the phone is having some technical fault which cannot be repaired. so i demand that my hard earned money be refunded immediately with out any delay or replace my phone with an upgraded version without any further delay. Neeraj