The operation method is as follows:
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1. In the first step, open the Settings function of Huawei mobile phone.
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2. Click the Advanced Settings option;
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3, the third step, click battery management;
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4, the fourth step, choose the power saving mode;
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5, check the super power saving, so that the phone into the fast charging;
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6, if the phone still has a certain amount of electricity to charge, the phone will also default to fast charging