The mobile phone prompts risky text messages.

Miui SMS reminder is risky. If it disappears at a certain point, it can be solved like this.

1. Check SMS settings: Make sure that your SMS reminder settings are correct, such as open notification, sound and vibration.

2. Clear the cache: Try to clear the cache of MIUI SMS application. You can find application management in the settings, then select MIUI SMS and click Clear Cache.

3. Update the software: Make sure that your MIUI SMS application and system are updated to the latest version, which will help solve some common problems.