The battery is not tightly installed. After a long period of transportation, the battery may be loose, so there will be situations that the customer can't charge the camera and can't use it after receiving it. The customer can try to reinstall the battery and press it tightly.
This camera supports memory cards within 32GB, and U3 type memory cards are the most suitable. If the memory card cannot be read, it is probably because the memory card does not match. The maximum memory card supported by this camera is a 32GB memory card.