The troubleshooting method is as follows: The headset and charging case are not used for a long time, causing the battery to run out. Earphones or charging case contacts are dirty, resulting in poor contact. The charging cable or connector is damaged and cannot be charged. The charging function of the headset is disabled.
If the above situation causes, please try the following ways: If the headset and headset case have not been used for a long time, it is recommended to charge more than 10 minutes to activate the headset and headset case; Clean headphones or charging case contacts with alcohol; Replace the charging cable or charging interface to charge; After restoring the headset to factory Settings, check whether the charging function can be restored.
If the preceding solution persists, go to a nearby Huawei customer service center to check.