
Close the Apple Mail on your iPhone if you have it open
Yahoo Mail Still Not Updating on iPhone?. It’s easy to delete and then add your Yahoo account back using Settings > Passwords & Accounts. Change Your Yahoo Mail Security Settings. Verify your Yahoo account works outside of the Mail app. Try the Yahoo Mail App for iOS or the Web Version. Can’t Get Passed the Yahoo Mail Welcome Screen?. Can’t Sign In To Your Yahoo Email and It Says Your Password is Incorrect?. Deleted Yahoo Mail Account from Your iPhone or iPad and Now Can’t Add It Back?.