The fast charge function of the Xiaomi tablet needs to meet two conditions to be effective:
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1. Use a charger that supports fast charging.
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2. Turn on the fast charge switch of the charger and tablet.
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If you use a charger that supports fast charge, but the tablet does not show fast charge, it may be because you have not turned on the fast charge switch. You can find the \"Power and Performance\" or \"Battery and Charger\" options in the tablet's Settings menu, then find the \"Fast Charge\" switch and turn it on. In this way, your Xiaomi tablet can enjoy the convenience of fast charging.