A mobile phone is a handheld electronic device connected to a wireless network of communication. It offers more than just text messages or voice messages. It can browse the web, email, play music and a lot more. Improvements for mobile device are being developed and these include storage space problem solutions and battery upgrading.

A mobile phone is also popularly called a cell phone or cellular phone. It uses radio wave transmission and satellite transmissions. The mobile phone technology started in the 1950's and spread quickly all over the world going beyond the growth of telephones. Mobile phones are no longer rare or very expensive. This device becomes universal that makes the majority owns it.

Many mobile phones offer:

•Voice communication

•Short Message Service (SMS)

•Multi Media Service (MMS)

•Web browsing

•emailing

The following are world's biggest mobile phone manufacturers:

•Audiovox

•Alcatel

•LG

•Motorola

•Nokia

•Sanyo

•SK Teletech

•Kyocera

•Panasonic

•Phillips

•Samsung

•Sagem

•Siemens

•Sony Ericson

Mobile Phone Capabilities

Cellular phones become a key social tool. Many people rely on the address book stored in their mobile phones. They use it to keep in touch with friends and relatives. By using SMS, many people become closer though they are miles away. They also became a fashion object. It can be customized, decorated and accessorized.

Specialist communication systems are also available like satellite phones and professional mobile radio. Mobile phones now are smart phones. Users can browse the web, game console, play personal music, and make it a personal digital assistant.

Mobile Phone Risks

In using a mobile telephone, concerns on health risk are raised. According to studies, certain rare tumors were founded among long term users of mobile phones. Other deadly health concerns are linked with automobile accidents. There are studies that show of high risk for motorist collisions. Talking on the cell phone while driving make the user lose control of the vehicle.

On security aspects, mobile phones can receive and send text messages. The cell phone becomes open to worm attack and viruses. Smart phones or the sophisticated ones are more susceptible to viruses. These cell phones can duplicate the virus by sending messages through phone lists.

Mobile Phone Viruses

The virus can enter the phone without the user's knowledge. It will find the password of the device and corrupt stored corporate data. Viruses can command the phone to make voice calls or send messages. These viruses can cause the user a cash loss.

Since cellular phones use many systems, spread of viruses is very difficult to control. The rise of operating system programming platform may change the situation later. Operating System Programming factors with the help of their manufacturers can change the situation. These Operating System Programming manufacturers are:

•JAVA

•Microsoft Operating System

•Linux and

•Symbian Operating System

Some of the improvements for mobile device are being studied. To solve the storage space problem, a miniature hard disk is being developed. It opened the possibility for phones to become a handy player or a music library. It will become like an iPod. Different display technologies like E-paper/retinal displays, OLED displays, and smarter communication hardware may reduce the requirement for power. New power technologies like fuel cells that may give better energy facility are being studied.