The mobile phone is placed under the pillow. The pillow is soft and has a large area, so the pressure is scattered. Generally, the surface of the mobile phone will not be damaged.
Mobile phone, full name of mobile phone or wireless phone, is usually called mobile phone. Originally, it was just a communication tool. In the early days, it was also commonly known as Big Brother. It is a portable telephone terminal that can be used in a wide range. It was first developed from the battlefield mobile phone manufactured by Bell Laboratories in 1940.
In 1973, Martin Cooper, an American Motorola engineer, invented the world's first commercial mobile phone. After the 2G era and the 3G era, it has developed to the 4G era so far, and the 5G era is also closely followed by the commercial 5G in China.
Smartphones, like personal computers, have independent operating systems, most of which are large screen computers, touch capacitive screens, and some are resistive screens, which are powerful and practical.