In the popularity of smart phones, the function of mobile phones is more and more powerful, watching TV series, watching web pages, playing games, taking video and so on. These are the reasons why mobile phones drain power faster and faster. Many friends will find that after using the mobile phone for a period of time, how is the mobile phone charging slow? A few minutes to 1%? What is the reason for this? Next, we will introduce the reasons for the slow charging of mobile phones in detail: How is it that mobile phones charge slowly? 1, in fact, there are a lot of people with mobile phones are like this, usually will not shut down, unless the phone's power is used up automatically shut down, no is not casually turn off the phone, so at this time if you have an emergency at this time if you need to quickly charge the phone, it is also recommended to choose shutdown charging, then the charging efficiency will be the highest. 2, in general, the power of the mobile phone is not very durable, some friends who like to play games often do one thing is to play with the mobile phone while charging, in fact, this operation will cause the heat of the mobile phone, hot to a certain extent, it will also affect the service life of the mobile phone battery, if you charge the higher the temperature of the mobile phone, the longer the charging time, the more full the battery. Then the faster your phone's battery life decays, which is why the more charged the battery, the less good it is. 3, regular cleaning of the charging port can also determine the life of the mobile phone battery! Generally, after the use of our mobile phone for a long time, the charging port will be stained with some dust, if it is not cleaned up at this time, it will also cause poor contact between the charging port and the data cable, which will also lead to a slow charging speed, so when the food is also remember to clean up the dust of the mobile phone charging port! 4, the background running software is too much, we usually use the phone is likely to open a lot of software, but sometimes just quit and not completely closed, these software has been running in the background, naturally slow down the charging speed, so when charging, try to close the APP in the phone, if you can shut down charging it is better, Because regularly turning the phone off and charging is a kind of maintenance of the battery. 5, the data cable or plug reason, because the power of each data cable is different, the high-power charging speed is certainly faster than the small power, the original data cable is generally 0.4-0.5 euros, and most of the cheap data cable is 1-3 euros, so it is easy to cause slow charging speed. What's with the slow charging of mobile phones? That's all for today. It can be seen that many of the reasons for slow mobile phone charging are their own problems, of course, there are mobile phone battery damage will also lead to slow mobile phone charging, which requires the mobile phone battery to be repaired or replaced.