1. Navigate to Message via the bottom menu bar
2. Select the team you wish to add a team admin under the Teams tab
3. Open the team’s profile by tapping on its name located at the top of the message thread
4. Tap the gear icon in the top right corner
5. Under Admin settings, select Update team admins
6. Enter the name of the member you wish to make an admin in the To field
OR
Scroll and tap on the member’s name
7. Tap Next at the top right