Savex technologies ltd — Mobile handset

Address:

Faridabad, Haryana, 121002

I bought a mobile handset samsung J7, after teo days of purchses the mobile is showing some problems over heating while calling, somee times the phone power off automatically, there is one another problem phone have no network access also, almost 20 times screen go black, i called u many times but there is no rply from ur side .plz resolve my problem as soon as possible