How to turn off the Do Not Disturb setting?

Path: Settings-Accounts and Security-do not disturb mode.

Effective note: After the Do Not Disturb comes into effect, no matter the interest screen or the bright screen, ordinary contacts can't call in.

Incoming call display effect: after the Do Not Disturb mode takes effect, when the screen is closed, the phone is directly hung up after the incoming call, and the screen is not bright; It will be displayed when the phone is on, and it will not ring when it is in silent mode.

Prompt tone: when an ordinary contact calls, he will hear a prompt tone such as "The number you dialed cannot be connected or busy".