Just setup Yahoo account key on iPad in case you are tired of remembering multiple passwords. Account Key is quite secure and gives you the permission to skip using a Yahoo password recovery for sign in. Thus the right procedure to setup Yahoo account key on iPad is:
• You need to tap the Menu icon Image directly from your Account Key enabled app
• Then you need to tap the Account Key icon Image.
• After that tap Manage Account Key.
• Just tap the toggle to the right of your device to turn on/off.
• By choice, tap Disable Account Key for switching back to a password.