Tools/materials: iPhone 12, ios 12, the glory of the king 1.22.5.

1. After entering the game, click the avatar in the upper left corner of the main interface of the game to enter the personal information interface.

2. Then drop it down, and you can find a social function on the left side of this interface. Click to switch the social interface.

3. There is a setting in the upper right corner of the social interface. Click expand to edit the business card, and then you can freely set your birthday on the social interface.