Create a community cover image that is 2560 x 1440px. All main text, logos and primary subject matter should be centered within the center of the graphic (approximately 1282 x 896px). Save this image to your phone’s camera roll.
In the Menu sidebar, create a new space by tapping Create A Space at the bottom. If your space already exists, tap the space name or avatar you want to customize, and tap Settings, then tap Cover Image. You must be an admin of the space to edit or upload a cover image.
From the Cover Image screen, tap the Camera icon.
Select your design from camera roll and crop and scale if necessary.
Select None from the font list and the blank overlay option.