随着时代的进步，科技越来越进步。手机是拥有我们很多秘密的一个设备，在日

With the progress of the times, science and technology have been more and more advanced. A mobile phone is a device that holds many of our secrets. In daily life, we often need a mobile phone to solve some things, such as contacting friends and relatives. But people will lose their phones when they are careless. Imagine that there are some important information in the phone, and then it is taken by others to do some bad things, which is very dangerous. In order to improve the issue of personal privacy, people invented the use of fingerprints to open the screen. Soon after, a face test was also developed to ensure the protection of human privacy.

With the progress of the times, science and technology are more and more advanced. Mobile phones are a device with many of our secrets, in everyday life, we often need mobile phones to solve some things, such as contact ingons and friends. But people will also have the big idea of losing their phones. Think about it, there are some important information in the phone, and then someone else to do some bad things, that is dangerous. In order to improve the problem of personal privacy, people invented the use of fingerprints to open the screen. Soon after, face tests were also developed to make human privacy more secure.

With the progress of the times, science and technology are more and more advanced. Mobile phone is a device with many secrets. In our daily life, we often need mobile phone to solve some problems, such as contacting relatives and friends. But people will lose their mobile phones when they are careless. Try to think about it. There are some important materials in the mobile phone, and then they are taken by others to do some bad things. It's very dangerous. In order to improve personal privacy, people invented the use of fingerprint screen. Not long later, we also developed face test, which makes human privacy more protected.<br>