Take you through the main functions of the various use data lines

The Internet line;

Flash line;

Synchronous line;

Charging line;

Multi-function line.

1. Internet connection: only use GPRS or CDMA 1X online.

Typical model: V730 series;

V688 series;

Little lingtong series.

2. Brush line: can only be used to upgrade the machine.

Typical model: mingji S700;

Upgrade to unlock the first line.

3. Synchronous line: used for transmitting phone book;

Image ringtone;

SMS;

Multimedia information, etc., of course, part is two-way transmission, part only supports one-way transmission.

Such data lines are more common.

4. Charging line: generally it is the Internet connection or synchronous line and a USB charging function, which is more practical and convenient, and the necessary functions of surfing the Internet and mass texting.

It can also be subdivided into two kinds of charging and charging switches, the former one is plugged in and the latter has a small switch that can control whether to charge or not.

Of course, the charging switch is the highest and the price is more expensive.

Recommended type: CDMA Internet series;

Siemens 3508 series.

Multi-function line: supports two or more functions, such as Internet, synchronization, charge, charge, etc., and the new samsung cable has dual interface, USB synchronous Internet connection.

A serial port will be used.

Note: when you buy data line, you must be more functional, more expensive, more expensive.