Hello friend I want to tell about karbonn A40 indian.this is nice but not too good Karbonn A40 Indian smartphone with 4.00- inch 480x800 display powered by 1.3GHz processor alongside 1GB of RAM. Battery power not with standard even at idle stage for a day Karbonn has more than 1600 service centres in almost all the cities in India. Karbonn mobiles is a very well known Indian brand. It primarily deals in affordable and value for money mobile