MICROMAX CANVAS SPARK WITH 2 BACK CASES IN INDIA

I got this mobile before 2 weeks only. Specification: Operating System Android v5.0 SIM Slot(s) Dual SIM, GSM+GSM SIM Size Micro Box Contents Handset with built-in Battery, Charger, Earphone, USB Cable, User Manual, Warranty Card Also Known As Micromax Canvas Spark Performance Good Processor Quad core, 1.3 GHz, Cortex A7, Chipset: MediaTek MT6582M Graphics Mali-400 MP2 RAM 1 GB Storage Outstanding Internal Memory 8 GB External Memory Yes, Up to 32 GB USB OTG Support Yes Display Good Screen Size 4.7 Inch Screen Resolution 540 x 960 pixels Pixel Density 234 ppi Display Type IPS LCD Screen Protection Corning Gorilla Glass. Also i had giving 1 flipcover and backcase