It may be the quality problem of data lines. It is suggested that we try to buy data lines elsewhere. It may also be a personal reason that the data line is damaged accidentally during the daily use, and there is a correct way to use and maintain the data line. Try not to let the data line curl. Many users like to curl up the data line after storing the data line, which is actually wrong. The data line is made of plastic and aluminum foil, and can not endure long time curls. Long time curls will cause damage to the plastic layer outside the data line or the inner aluminum foil shield, reducing the service life of the data line.
When inserting the interface, attention should be paid to the correctness and correspondence of the pins. The data line has two interfaces, one is connecting the computer and the other is connected to the mobile phone, and the pins of their interfaces are different, and the pins are very thin. They are very easy to break, and they must be carefully inserted when inserting the interface. Otherwise, the pins are broken and the data lines are not used; moistureproof and dustproof. The data line has tiny pins, which are metal products and are easily oxidized by water and dust. Improper maintenance, it is easy to let water and dust intrude into the cable, resulting in data lines can not work properly, download speed is also slow.