Why do the photos taken by American mobile phones blur after a while?

Why is Mito's mobile phone blurred after a period of use? The following reasons:

The camera blur may be that the lens is dirty, so you can wipe it with a lens cloth.

Focus manually when taking photos, and then take photos with a green tick on the touch screen.

Try not to backlight when taking pictures, so that the pictures will be clearer.

Mobile phone photography refers to a form of photography with a mobile phone with photography function as a photography tool. Photography, as a rapidly spreading hobby, is not only a simple pastime, but also an important thing is that it can make people stop, observe people and things around them with photography and appreciate life from a new angle.

As a communication tool carried by modern people, mobile phones have also become the most convenient shooting tool, allowing people to observe and record the dribs and drabs of life with a more peaceful, delicate and simple mind. With the maturity of camera phone technology and the decline in price, mobile phone photography is becoming more and more popular. How to take good photos and works with mobile phones has become an urgent problem for many photographers and the general public. In recent years, the photography function of mobile phones has become more and more perfect, and the popular mobile phone photography will surely become an important part of new photography.