Type of mobile phones
Mobile phones can be categorised as basic phones, feature phones and smart phones.
They are used for making calls and messaging. They have limited feature and a small display size.
Feature phones also known as multimedia phones. They have Resistive touch standard definition (SD) display. They are low-end mobile phone with lesser computing ability than smart phones. They are available in single and dual SIM models. The camera is VGA/2MP with video recording option. The basic features are browser, music player and expandable memory etc.
Smart phones available in Qwerty/Touch/Touch and Type. Its like a mini computer because its work Office/business. They have power full computing capability. And they have advanced camera with HD video recording. In this available additional features like video calling, A-GPS, MHL, NFC etc.And this phones is multiple service providers for GSM and CDMA.
There exist 2 types of services-GSM and CDMA. worldwide GSM share is 76% and CDMA 24%.
Bands are cellular frequencies designated for operation of gem services. Different country use different bands. Mobile handset may only be able to receive certain frequencies. There are four different type available.
Mobile internet connectivity
Mobile technology is entering its most advance generation with the roll out of 3g/4g LTE offering faster connectivity.