First insert the charging cable repeatedly several times, pay attention to gently shake the charger up and down during the insertion process, remember not to exert too much force, if too much force will permanently damage the charging port. If the problem can be resolved, the following steps are not necessary.
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2, clean with cotton swabs and anhydrous alcohol: 1) Cotton swabs should be made of wood or bamboo, not plastic. 2) Prepare two groups of cotton swabs: First remove the cotton from the cotton swabs, one group use a knife to cut the cotton swabs into a flat, as thin as possible, the other group use a small cut into a sharp, and then wrap a small amount of cotton swabs on it. 3) Dip in a small amount of alcohol and gently insert the charging port of the phone. The flat cotton swab is used for cleaning the upper and lower sides of the charging port, and the pointed cotton swab is used for cleaning the side. After inserting the cotton swab, try gently moving the swab to clean it as much as possible. 4) After cleaning, wait a few minutes for the alcohol to evaporate completely.
3. Finally, insert the charging cable repeatedly into the charging port several times, so that the problem is usually solved