What are the advantages of traditional mobile communication?

Hello,

Broadly speaking, a smart phone has most functions of a PDA, especially personal information management and browser and email functions based on wireless data communication. A smart phone must have several conditions:

1. It has all the functions of an ordinary mobile phone and can make normal calls, send text messages and other mobile phone applications.

2. Have the ability to access the Internet wirelessly, that is, need to support GPRS under GSM network or CDMA 1X or 3G network under CDMA network.

3. Have the functions of PDA, including PIM (Personal Information Management), schedule keeping, task arrangement, multimedia application and web browsing.

4. Have an open operating system. On this operating system platform, more applications can be installed, so that the functions of smart phones can be infinitely expanded.

There are four different operating systems for smart phones * * * on the market, which are:

1, Symbian operating system (UIQ, Series6, Series8, Series9)

2, Windows Mobile

3, Linux operating system

4 and Palm

Symbian operating system.