Qs Hot Deals — Mobile not working

Address:	Mumbai City, Maharashtra, 713337
Website:	[email protected]

I had purchased a mobile from your qs hot deals.
Cash memo no.-e78882
Vat no.-[protected]v
Cast -[protected]c
Date of purchase-08/06/2107
Mobile model no.-mbo s6-mini

The product that you have delivered is not working properly and it's 1st slot of sim doesn't work and not even supporting 4g data connection.
Although, the 4g symbol has been given in the mobile box, which means it will be featuring 4g network but in actually it doesn't possess.