Yahoo apps work best on the latest version of the iOS software. Before trying any of the steps below, check to see if you have the latest version of iOS. If you're using an iOS beta version, try updating to the latest official iOS release.

1. Force stop and restart the app
   When you force stop an app it refreshes the active memory for the app.
2. Restart the device
   If you're still having problems with the app after you restart the device, the app could be corrupt.
3. Uninstall and reinstall the app
   It's possible the app has become corrupt. Install a fresh copy of the app to fix this problem.

Some Yahoo product features are only available in the desktop browser version. If you can't find a feature you're looking for in a Yahoo app, check out our list of Yahoo features not available on mobile devices.

If you get a new phone number, but you're still using the same phone, follow these steps.

1. Go to your Account Security page and click your existing number.
2. Click Add recovery phone number.
3. Enter your mobile number in the space provided.
4. Click Send SMS.
   - Yahoo sends a push notification to your phone.
5. Enter the code in the space provided.
6. Click Verify.

If you've turned on two-step verification, ODP/Account Key, or if you use a 3rd party email app (like iOS mail or Android Mail) to access Yahoo Mail, you'll need to create an app password specifically for that app. Learn more about app passwords.

Two-step verification uses both your password and an extra security code to verify your identity whenever you sign in to your account. Learn more about two-step verification.

If you're having trouble signing in with Yahoo Account Key it could be a few different things. Learn how to solve issues with Yahoo Account Key.

If you're having trouble connecting to your Yahoo Mail account in the native iOS Mail app, remove your Yahoo Mail account, then re-add it in iOS Mail.