The first aspect is that if the original charging head and charging cable are not used, there may be instability of the charging head and charging cable, resulting in fast charging sometimes no. In particular, the very cheap 5a data cable purchased will cause the current to be unstable because of the poor quality of the wire.
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The second is the intelligent control of charging.
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In the process of charging, the power will be below 80%, the high current fast charging, when the charging amount is greater than 80%, the charging current will be adjusted to turn into a trickle charging to protect the battery, but the charging icon should not change.
You can check to try the operation:
1. Replace the charger and data cable recommended by Huawei.
2. Check whether the interface is dirty or foreign. 3. Disconnect the charger from the mobile phone first, reinsert the charger or replace the socket seat, and eliminate the problem of poor contact before connecting the charger to the mobile phone to charge