However, they can also support other features added by various manufacturers over the years:

Individual GSM, WCDMA, IDEN and some satellite phone devices are uniquely identified by an International Mobile Equipment Identity (IMEI) number.Īll mobile phones are designed to work on cellular networks and contain a standard set of services that allow phones of different types and in different countries to communicate with each other.

Some CDMA devices also have a similar card called a R-UIM.

All GSM phones use a SIM card to allow an account to be swapped among devices.

Basic mobile phone services to allow users to make calls and send text messages.The most common input mechanism is a keypad, but touch screens are also found in smartphones. An input mechanism to allow the user to interact with the phone.A battery (typically a lithium-ion battery), providing the power source for the phone functions.A number of metal–oxide–semiconductor (MOS) integrated circuit (IC) chips.The common components found on all phones are: This has led to great innovation in mobile phone development over the past 20 years. Handsets with more advanced computing ability through the use of native code try to differentiate their own products by implementing additional functions to make them more attractive to consumers.

Mobile phones are often referred to as feature phones, and offer basic telephony. Hardware-side view of a typical smartphoneĪ mobile phone feature is a capability, service, or application that a mobile phone offers to its users.

Kyocera usb modem driver download