Why can the Redmi Note 13 Pro not focus when taking photos with the telephoto camera?

Several factors will make the Redmi Note 13 Pro not focus when taking photos with the telephoto camera, such as minimum focusing distance, low light conditions, and dirty or obstructed lens.
If the Redmi Note 13 Pro cannot focus when taking photos with the telephoto camera, please refer to the following details:
1. Telephoto lenses require a certain distance to focus properly. If you're too close to the subject, the camera will struggle to focus;
2. If the shooting environment has low brightness, the telephoto camera will be difficult to focus. Please try increasing the light in the shooting scene;
3. If you are shooting fast-moving objects, it will be harder to focus on. Please switch to other camera modes to shoot;
4. A bug in the camera APP or system software could cause focus problems. Please restart your phone and ensure the software is up to date.
If the above methods cannot solve the problem, please apply for the after-sales inspection to check whether it is caused by hardware malfunction.