The battery charge is mostly the problem of the mobile phone itself, it is likely that the mobile phone itself has some deviation in the detection of voltage, the mobile phone has been fully charged when it can not make the correct judgment, but also that the power is 70 to 80%.
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As long as you press the button \"*#*#4636#*#*\" when charging, look at the voltage of the battery, you know, the voltage may have been 4201mV. Restart your phone, and immediately it's 100% charged.
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Of course, sometimes the phone battery charge may also be dissatisfied with the software problem, this time you can install some software to correct it