System problem. If the phone can be turned on normally, the red light flashing when charging means that the current power is low (generally less than 20% will remind), only need to keep the phone charging for a period of time, there will be a red light into a yellow light flashing, when the power reached more than 80%, the light turned green. This is a normal phenomenon and belongs to the default setting of the MIUI system of Xiaomi mobile phones.
The charging white breathing light of Xiaomi mobile phone has been flashing, which may be: the fault of the mobile phone system, the fault of the charger, the poor contact between the charger and the mobile phone, the problem of the mobile phone battery, and the hardware problem of the mobile phone motherboard.
If the charger and mobile phone system is not faulty, you should focus on checking the battery, if the battery is swollen, you should immediately stop using the phone.
Because the circuit of the breathing light has a short circuit phenomenon, when the Xiaomi mobile phone is charging, the white breathing light has been blinking, because the breathing light has a short circuit phenomenon, and the line cannot be controlled