ऐप आइकन और बैजेस

All Unread: Count of all unread emails.
Inbox Only: Count of unread emails in the Inbox only.
None: Disable the badge count.

Settings to customize the application icon and counter badges.

App Icon (Mobile)

Choose from a variety of application icons to customize the look of the app on your home screen.

Configure what the counter badge on the app icon represents: