How to Add Birthdays to Apple Calendar How to Add Birthdays to Apple Calendar

1. Open the phone address book and select the person who needs to set the birthday.

2. Click Edit in the upper right corner. Click Add Birthday again.

3. Select a date and click Finish.

The screen of iPhone has multiple sensors; When the user is talking, the sensor will temporarily close the screen because the mobile phone is close to the face, which is to save electricity and reduce the wrong operation caused by the user's face or ears touching the screen. The visible light linear light sensor can brightness level the screen brightness according to the environment, thus saving power. The three-axis motion sensor can adjust the direction of the mobile phone picture according to the direction of the user holding the iPhone, and automatically adjust the horizontal or vertical picture of the mobile phone. Acceleration sensors can control third-party applications, which are mainly used for game functions.