Here's how to update a team member's role in your Limited Business account:

1. Tap your profile picture in the top-right corner of the homepage
2. Select "Manage Profile," then "Manage Members"
3. Locate and select the member you want to modify
4. Tap "Role" and choose the new role (Basic, Accountant, or Admin)

Your changes are now complete—the member's role has been updated.