What should I do if the background application of mobile phone screen capture closes automatically?

Open the settings, find and click the power supply and performance options, and click the application configuration option of the application smart power saving group. In the open configuration interface, just select Unlimited, so that the software will not automatically shut down when it retreats to the background.

The mobile phone was first invented by Motorola, and the so-called second generation mobile phone (2G) is the most widely used mobile phone in the world. They are mainly based on GSM in Europe and CDMA in America. They are all digital. Besides voice communication, they can also send and receive short messages and wireless application protocols.

In Chinese mainland and Taiwan Province Province, GSM is the most popular, CDMA mobile phones are also very popular, and the whole industry is migrating to the fourth generation mobile phones (4G). In addition to typical telephone functions, some mobile phones also include PDA, game machine, MP3, camera, photography, recording, GPS, Internet access and other functions.

The function of mobile phone is developing towards PDA. The telephone microphone and earphone socket, the corresponding microphone and receiver are all installed on one handle. Formerly known as mobile phones, handheld devices, mobile phones and faxes, they are portable telephone terminals that can move in a large range.

Children's mobile phone:

Children's mobile phones refer to mobile phone products specially designed and manufactured for children. Compared with ordinary mobile phones, children's mobile phones are often cartoonized in design and customized in function.

It is specially developed for children aged 4- 14, which is convenient for parents to contact and monitor their children. Its design conforms to children's psychological habits and safety education needs, and the problems brought by ordinary adult mobile phones, such as excessive radiation and battery quality, have also become priority issues faced by manufacturers.

Some manufacturers use lithium polymer batteries instead of traditional lithium batteries, and design the antenna under the mobile phone to reduce radiation and effectively improve the safety of children's mobile phones. However, children are advised to use mobile phones as little as possible unless necessary, because their immunity is not as good as that of adults.