Really what are Mobile phones?
A phone that can receive and make telephone call through a radio link when you are moving around a variety of geographic area is called Mobile Phone which is also known as cell phone, cellular phone or hand phone. Within the short range of single and private base station, the mobile phone is a cordless telephone. Using a cellular network which is provided by the mobile phone operator, the mobile phone can access into the public telephone network. 
Mobile Phones Types with Evolution
There are various types of mobile phones. Some of those are:
- Smart mobile phone
- Camera mobile phone
- Music mobile phone
- 3G mobile phone
Smart mobile phone
As a miniature computer, smart mobile phone is high specified. The options of using internet and receiving emails are also available within the smart mobile phone. For example, some smart mobile phones are the Blackberry, Google Android, iPhone etc.
Camera mobile phone
A phone that is built in camera is called camera mobile phone. A standard model of camera mobile phone has a quality of 2 – 8 megapixel but updated camera mobile phones are coming with 12 megapixel.
Music mobile Phone
Having a good mp3 audio player, the music mobile phone has enough memory that can hold a standard amount of songs. Make sure about your mobile phone that has memory as onboard or included. It may be upgradable for having more memory through an SD or memory card slot. Generally a music mobile phone has 1 – 2 GB memory, but somewhere it may support up to 16 GB memory.
3G mobile phone
On the basis of 3G system, 3G mobile phone is designed to open up faster communication. It has the faster browsing speed along with video call.
How mobile phones changing our life style?
Mobile phones are important communication tools. It is possible to contact anybody from anywhere of the world at any time through mobile phones. Now mobile phones are comfortably fitting, portable and small, very sleek. The service of the rechargeable battery is well.
At this time, modern mobile phones are more than just receiving and sending phone calls. Mobile phones are used for sending and receiving message, video and photo and email. You may access the internet, use Global Positioning Systems (GPS), listen to music and play games etc.
Mobile phone designers are trying to incorporate the need of the people into the mobile phone like as flip screen, memory card, touch screen, camera, USB port etc.
The modern mobile phones have the wireless capability through Bluetooth, infrared and other protocols of wireless. Word processing, mobile banking, calendars, web surfing, memos, alarms, games, video streaming and much more options are included in the modern mobile phones. There is an iPhone App Store for iPhone users in where they can find out the most useful applications. There are various third party applications which are downloadable. Nokia, Apple, Samsung, Sony Ericsson and Motorola are the larger manufacturers of mobile phones.
Pros and Cons of mobile phones
Though there are more positive benefits of mobile phones, but there are some negative effects of it. Do not use mobile phone while driving. Do not cheat through mobile phone and do not watch bad pictures or videos which are not socially accepted. Use the mobile phones in your need.