Please follow the below steps.
Change Calendar name:
- Tap the main menu button in the top left-hand corner of the screen
- Select the calendar you wish to rename
- Tap the "Settings" tab in the bottom right-hand corner of the screen
- Tap on the name of the calendar below "Calendar Name" and type the new desired name
- Tap the checkmark (✓) in the top right-hand corner of the screen to save your changes
Change Calendar cover image:
- Select which calendar you wish to change the cover image of
- Tap "Settings" in the bottom right-hand corner of the screen
- Tap "Edit Cover Image"
- Select between "Take Photo" or "Photo Library".
- Tap the checkmark (✓) in the top right-hand corner of the screen to save your changes
Change Calendar Background image:
- Select which calendar you wish to change the background image of
- Tap "Settings" in the bottom right-hand corner of the screen
- Tap "Select background image"
- Select between "Select Image from Preset" or "Select Image from Album".
- Tap the checkmark (✓) in the top right-hand corner of the screen to save your changes