How to set fast charging for Huawei mobile phone?
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Open your phone's desktop and tap Settings.
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The pop-up interface, we click on the battery.
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On the pop-up interface, we slide the power saving mode switch to the right.
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The button turns blue after it is enabled.
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Then a dialog box will pop up asking if you want to enable power saving mode, select OK.
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Finally, slide the super power-saving switch to the right, and we turn on fast charging