One is to turn off the fast charge of the mobile phone, turn on the fast charge, first open our mobile phone, and then find the setting, enter it and find the \"power saving and battery\" again;
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Then find the \"fast charge acceleration\" function in it and enter its function;
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Finally, in the interface, open the \"default use fast charge acceleration\" function, you can complete the fast charge Settings.
Just replace the charger.
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Because the Xiaomi mobile phone loses the function of fast charging, it is caused by the fault of the charger, you only need to buy the original charger on the official website.