This issue may be caused by incompatibility with the third-party app. You can reinstall the app or download and install a security-certified app instead from AppGallery.

For self-protection, the device may automatically shut down when the temperature is extremely high or low. It is recommended that you check whether the issue is resolved after the device temperature becomes normal.

For some devices, the displayed battery level is inconsistent with the actual battery level due to an aged or damaged battery. As a result, the devices automatically power off. It is recommended that you take your device to a service centre for inspection in such cases.

Back up your data, reset your device, and check whether the issue is resolved.

If the fault occurs frequently for a long time or cannot be rectified, back up your data and take your device and proof of purchase to a nearby service centre for assistance. Engineers there will check your device thoroughly for free. You can be rest assured that the repair prices at authorised service centress are transparent, and the repair service quality is guaranteed.