This smart phone I had bought before few weeks ago for my official purpose. After 2days using it becoming. Especially, when I started surfing internet, some apps does not working . Not only that, battery power also reducing too much in few time. For this reason I dont making any call to other. When I giving power charge to this phone, the phone is suddenly switched off. So, in this circumstances, I could not contacting with my business purpose. I brought this phone to my nearest micromax care. They were repair. But I could not understood why the same problem is continuing. This is a badest phone in my life.