Why does Meizu mobile phone have an alarm when it is silent?

Turn on the alarm clock, turn on the settings, turn on the silent mode, and the alarm clock rings.

The specific steps are as follows: first, turn on the clock in the mobile phone, then go to the alarm clock page and click the settings below. There is a silent mode alarm clock ringing at the top of the settings page. Finally, turn on the silent mode alarm clock. If you don't want to miss the alarm clock, you can turn on the ringing time. If you choose the alarm clock time, it will ring longer.

If you want to turn off the ringtone of some notifications for a long time, you need to set. First, click Set Gear to enter. Click Sound and Vibration in the list on the left. If you want to set the ringtone, click the ringtone to enter. Click Mute and then click OK to realize that there is no sound in future calls. If you want to set the SMS ringtone, click the SMS ringtone to enter, click Mute and then click OK to realize that there is no sound in the SMS in the future. If you want to set the email ringtone, click email notification to enter, click mute and then click OK to realize that there is no sound in future emails.