Testing the network on the Redmi Note 11 with Xiaomi HyperOS involves assessing the network's vulnerability to potential threats and ensuring that security measures are effective. This feature can use vulnerability scanning tools to identify potential weaknesses in the network, such as outdated software or known vulnerabilities.
If you want to use the Test network feature on your smartphone with Xiaomi HyperOS, please refer to the following steps:
1. Go to [Security] on your smartphone. You can usually find it on the home screen or in the apps drawer;
2. Swipe down and navigate to [Test network] in the security app;
3. Tap [Test network], which will test the currently connected network.

Note:
Remember that security testing is an ongoing process, and it should be conducted regularly to adapt to emerging threats and changes in the network environment.