for the following reasons
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1, users frequently use the phone when charging, the battery will be excessive because of frequent charging and discharging, resulting in a sharp decline in battery life. If the health of the battery decreases and the user chooses not to replace the battery, the performance of the phone will be limited to ensure the battery life of the phone. Do not use your mobile phone while charging.
2, affected by the weather, Apple is difficult to charge in cold weather, and there may be a detection error in the health of the battery at low temperature.
3, users with more functions, such as mobile phone Bluetooth switch, gps navigation switch, wifi wireless network switch, nfc switch, cloud data switch and other functional switches, long time open will also speed up the power consumption of the mobile phone battery, so that the number of charge and discharge cycles of the mobile phone increased sharply, but also affect the decline in the health of the mobile phone battery. Unused functions should be turned off in time.