What are the most essential features that a mobile must have

So here are the very essential features that a mobile must have, ensure that you are getting a mobile with the following specifications:

1.Web browsers: Most phones nowadays are like mini-computers in that it allows you to surf the web and update your social networking status.

2.Alkaline Battery: Since mobile phones can do a lot of things nowadays, it really drains down its battery power.So ask for alkaline battery phones which have good standby time.

3.FM/radio :Whenever you get bored, you can switch on to a fm station and tune yourself to music.

4.Camera: 

5:Bluetooth

6.A2DP: access to dial up profile which is needed to connect your mobile to computer for internet.