Micromax — about phone

Address:

Sultanpur, Uttar Pradesh

I buy mmx unite 2a106 before 3 month and it hang after using 1/2hour and then it restarts and reboot itself the service centre of sultanpur up smriti traders send it 2times in compny and also prepare himself for so many types but it will not worked properly so plz give me my new phone when the compny of mmx are not make my phone after receiving two times in compny for 2 months my sddress is sultanpur UP