The Redmi 13C 5G supports enabling App lock, which can restrict access to specific APPs, protecting your sensitive information. Besides, it allows parents to restrict access to certain APPs for children, promoting safer usage.
To enable APP lock function on your phone, please refer to the following steps:
1. Open the [Settings] APP on your phone;
2. Scroll down and select [Apps];
3. Enter [App lock];
4. Tap [Turn on] and set the password as instructed;
5. You can add your Xiaomi Account now or later;
6. Select the APP that you want to be locked and then you need to enter the password to open the protected APP.

Note:
Xiaomi Account is the only way to restore your App lock in case you forget it. Otherwise, you can only reset your password after a factory data reset.