Now it is the time of smart-phone where every information is in your hand and for this reason you should have to buy such a phone where you can fulfil your wish just with a single click and now a days it is very cheap and reliable service from smart-phone companies to provide huge features phones at low cost but it is not all time good to choose on the base of price it should be based on feature which never let you think that you have chosen a bad one.
At first choose branded phone which has service centre located at your place as if anything misdeed than you an change it from your nearest service centre so at first before buying such one let you aware about its service station
Choose those smartphone which has a battery of more than 3000 mah which will never let your phone dead and make you all time live.
Choose those which has more than 2GB RAM and let you download your app in memory card and this will allow you to download more app of your need.
Choose those phone which has camera of more than 13 mega pixel and have FPS lenses which make your photo more vivid and luminous and you need not to buy a Hand-camera.
Its processor should be more than 1 Gigahertz this make your phone fast and strimming and able it to see on-line video without lagging and it also increase your browsing speed.