What's the name of the wallpaper when you call?

Mobile phone wallpaper is usually called mobile phone picture and standby picture. Like Windows desktop wallpaper, it can be divided into lock screen wallpaper, screen wallpaper and dynamic wallpaper. Users only need to download their favorite pictures, the size of which corresponds to their mobile phone screen, and send them to their mobile phones, so they can set them as their favorite standby desktop wallpaper through their mobile phones.

Mobile phones, called mobile phones or wireless phones, are usually called mobile phones. At first, they were just a communication tool. In the early days, it was also commonly known as "mobile phone". They are portable telephone terminals that can be widely used. They were originally developed from 1940 battlefield mobile phones manufactured by Bell Laboratories. 1958, Soviet engineer Leonid Kupriyan Norwich invented лк- 1 mobile phone, 1973, American Motorola engineer martin cooper invented the world's first commercial mobile phone. After the 2G era and 3G era, it has developed to the 4G era, followed by the 5G era, and the commercialization of 5G has appeared in China. Making a phone call is the act of using the phone. Telephone is a tool of modern communication, so it is convenient to contact with work and do things. Voice call can be divided into two forms: consumption of traffic and consumption of telephone charges, and the so-called telephone call is the classic form of voice call that consumes telephone charges.