Open your calendar in a web browser. If you’re using the Teamup app: from the sidebar, tap to open Dashboard. Tap the 3 dots to the right of the Welcome Calendar and select Copy Calendar URL. Open the copied URL in a mobile browser.
Click the blue menu icon in the top right and select Settings.
Select Identity from the blue sidebar. (If no sidebar is visible, click the menu icon to open it.)
Select Yes under Customize Headerto open the options for uploading a logo and customizing the background and font color. Your changes will be saved automatically.
Tip: It’s easier if you can use a computer with a relatively large screen to perform these actions.