How to show the refresh rate on the phone screen?

To show the refresh rate on the phone screen, please refer to the following steps on your device:
1. Go to the [Settings] app on your phone;
2. Tap [About phone];
3. Select the [Detailed info and specs] option;
4. Tap [OS version]/[MIUI version] seven times in a row;
5. Scroll down and select the [Additional settings] in the Settings interface;
6. Tap [Developer options];
7. Look for the [Show refresh rate] option and toggle on the switch.