Add a cover picture
To add a cover picture to your profile, tap on the purple background image above your profile picture to open your phone’s photo picker. Choose a picture from your photo collection. Resize it, and when you’re done, tap on “Choose”.
If you want to edit or change your cover picture, tap the edit icon next to your profile picture to enter Edit Mode. From there, you can edit your cover picture, profile picture, and other sections of your profile.