If your phone suddenly shuts down after the battery runs out and cannot be turned on, even if you plug in the charger and do not enter the charging interface, then your phone battery is likely to enter automatic sleep. For example, after the Mi 4 mobile phone battery sleeps, after plugging in the charger for a period of time, the mobile phone breathing light is red, but it is still unable to enter the charging interface.
When the above situation occurs, you can use the following methods.
1, use a low-voltage charger to charge for half an hour, you can use a computer or TV usb or charging treasure to charge. This method is suitable for phones with non-removable batteries.
three
2, if the battery is removable, the following method can be used
four
3, if the above method does not work, there may be other problems. It is recommended to send the mobile phone to the after-sales maintenance point to repair, do not open the mobile phone to try to repair it yourself, after all, it is not a professional. So as not to damage the phone.
Battery dormancy has the following solutions: you need to connect the data cable to the mobile phone, the USB head is connected to the computer or your home LCD TV, etc., and wait for half an hour, you will find that the breathing light is on, because the dormant state of the battery can only be activated with weak current and slow charge.
< br >
Remove the battery release board, install it again, plug in the power cord for 10 minutes and start charging. Do not remove the board, directly plug in the power cord extra long point, will naturally start charging. Go to the nearby repair point to find a professional technician to solve. Xiaomi's battery goes to sleep when the automatic shutdown is used. The correct use of battery methods: 1, with use with impact on lithium battery life is very little, 500 times full full discharge battery capacity can reach about 80%; 2, overcharge and overdischarge have great harm to lithium batteries; 3, the phone does not need to pull out the battery for a long time.