solution
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1, use the AC socket to charge, charge the power to 100% off, in the shutdown mode then charge to the green light.
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2, clear the battery traces, start charging to 100% so that your battery has no memory after charging quickly, the first 80% of the battery is relatively fast, 80%~100% is relatively good at saturation.
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3, please turn off those just said when charging, otherwise the charging will certainly be slow, the data cable and the charger should also match, try not to mix, the U port current of the computer is small.
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4, there is no charge into the case, the charger may be damaged, or the battery information may be wrong, in addition, you do not plug in the USB port to charge, this will be very slow, is the charger or battery problem, change the charger or battery try.
Tap on your phone's desktop to go to Settings.
In the Settings home page, click to go to the battery screen
In the battery screen, tap the Battery Health option
In the Battery Health option, we can see the battery charge optimization option, which is currently turned on.
Here we will optimize the charging option to turn it off.
Next, we will see a confirmation interface, we click to close the optimized charging can restore the previous charging speed