1, compatibility problems, will lead to cigarette lighter and car charger can not match, there is a break for a while to connect the situation.
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2. The poor contact between the car charger and the cigarette lighter causes the car charger to have no reaction, so when installing the car charger, it is necessary to ensure that it is fixed in place, and it is installed in place when you hear a \"da\" sound.
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3, the car cigarette lighter has a problem, at this time, you need to use the original car cigarette lighter to determine whether the interface is working normally,
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4, the quality of the car charger is not good, you can replace a new car charger to try, there may be a problem with the wiring of electrical appliances, such as the data cable of the mobile phone, a new data cable can be replaced.