Redmi k40 calendar cannot be opened.

Xiaomi's mobile phone calendar does not display the date, which may be because the "Show Festivals" function is turned off. Enter the calendar function setting interface and open it. The specific operation steps are as follows:

1. Open the phone and click the "Calendar" option to enter the calendar interface;

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2. In the calendar interface, click the three points in the upper right corner and click the "Settings" option to enter the setting interface;

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3. In the setting interface, click to enter the "Function Settings" interface and find the "Show Festivals" option;

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4. Click the button behind "Show Festivals" to return to the calendar icon on the desktop and view the current date.

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Tips: Some desktop themes cannot display calendar dates by themselves. You can try changing the theme or desktop icon to view it again.