1, first of all, you need to have a mobile phone that supports unlimited charging, such as iPhone X, iPhone8, iPhone8 plus, etc
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2, then need to buy wireless charger from formal channels, recommend to go to the official dealer to buy.
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3, then power on the wireless charger, please make sure that there is no magnetic object around before connecting the power.
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4, then put it in a flat place to prevent the phone from sliding off.