In order to edit the admin account, please click on your profile picture, select the Settings option, and go to the “Roles & Permissions“ section in the “Team management” tab:
Then choose the sub-admin from the list, press the three-dot button, and edit the account:
Here, you may edit their personal information. In the “Property Access” section, update the properties your sub-admin has access to from the drop-down list. Make the necessary changes and press "Update”:
Please note! Once a sub-admin changes their email address, name, and phone number, it will automatically sync to your sub-admin profile in Team Management settings.