Hello friends, I am avijit. I bought this phone few months ago. In a lowest cost this phone is very good. This is a goolge brand phone. Karbonn android one sparkle v is very very good phone. With 1gb ram and 4gb rom its a good phone. Now I use the letest version of android marshmellow 6.0.1 and its gives you lots of android version. Friends believe me its a awesome handset. The phone has 5mp rear camera and 2mp front camera. Its graphics has very good for high end gameing. I suppose you to buy this phone.