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A mobile phone is also called cellphone or hand phone ,including wireless phone,cell phone,cell phone,cellular phone,cellular telephone or cell telephone is a long-range,electronic device used for mobile voice or data communication over a network of specialized base stations known as cell sites.In addition to the standard voice function of a mobile phone,telephone, current mobile phones may support many additional services, and accessories such as SMS for text messaging, email,packet switching for access to the Internet,gaming,Bluetooth,infrared,camera with video recorder and MMS for sending and receiving photos andvideo,mp3 player,radio and GPS. Most current mobile phones connect to a cellulat network of base staions which is in turn interconnected to the public swithched telepnone network(PSTN) (the exception is satellite phones). Now a day we can use different kinds of software in mobiles which helps to makes life easier and run smoothly.