Huawei charger fast charge slow charge, this may be because your charger's fast charge function is damaged caused by this situation, this problem you can take the charger to after-sales repair, if it can not be repaired, you can buy a special charger with the phone model, because if you buy with the phone model does not match, It may not work properly when charging.
Because Huawei's phone is in protected mode, it can't be charged