b) Charge the device with an official charger for at least 30 minutes, then try again.
c) Verify whether there are any third-party power management software apps downloaded. If so, please uninstall these.
d) Please do not use the device for a long time while it is charging.
e) Try to reset or update your device. (Refer to “How can I perform a factory reset on my device in the Back Up & Reset module” & “How can I upgrade my device in the Basic Settings module”).
If the previously described options do not help, you can contact our hotline or repair center to get more professional technical assistance. Find the hotline or repair center information from the official website or APP “Support Center”.