In this technologically evolved world, it's tough to imagine life without a valid email ID. Being in the market since so large, Yahoo Mail has that old world charm to it. If you have got a new iPhone or an existing one & have no clue about how to add Yahoo Mail to your iPhone and if your Yahoo mail not working on iPhone, then you have come across the proper place. We are going to discuss the top best solutions to fix why you cannot get Yahoo Mail on iPhone. The majority of iOS Mail App issues are due to inappropriate/invalid settings in your iPhone or some problem with your Yahoo Mail ID that you intend to add to your iPhone. These best solutions are going to help you to a great extent. Let's explore. Fixing Yahoo Mail not working on iPhone with iOS 11.2/11.1/11 Solution 1. If you're unable to open Yahoo emails properly in iPhone Mail App, try downloading and installing Yahoo Mail App from Apple iTunes Store or App Store. Yahoo Mail App is working fine mostly for all iPhone model's. While if you do not want to use Yahoo Mail App, you'll wait till either Apple or Yahoo find a fix for this problem. Solution 2. If Yahoo ask's you to use 3rd party passwords when you are signing in from any other app, like iPhone Mail App, please follow these best steps: Step 1. sign in and visit your Account security page. Step 2. Click Generate app password or Manage app passwords. Step 3. Select your app from the drop-down menu & click Generate. Step 4. Follow the instructions below the password. Step 5. Click Done. Step 6. Use this app password & your email address to sign-in to your email app. For other common Yahoo mail not working on iPhone problems, you can try the following latest tips to fix them. Solution 3. Try signing out of your mailbox > Restart your iPhone > Log-in to your Yahoo email account again. Solution 4. Since the latest iOS versions will fix many bug's existing in previous versions, you can update your iPhone to the latest available update via going to Settings > General > Software Update to check if there's a new iOS version. Solution 5. there's a possibility that you don't enable cellular data. So when your iPhone is out of WiFi, your Yahoo emails can't be received. visit Settings > Cellular > Toggle Mail App on. Solution 6. Set SMTP server. visit Settings > Accounts & Passwords > Yahoo! > Account > Outgoing Mail server SMTP > Other SMTP Servers. In Other SMTP Servers Host name is smtp.mail.yahoo.comO > Enter full Username and Password > Set Port to 465, and SSL to Yes. Solution 7. Enable "Allow app's that use the less secure sign-in". Launch Yahoo and sign in > At the top of the page, tap on Your name > Account info > Account Security > Scroll down to find "Allow apps that use the less secure sign-in", and enable it. With these seven tips, you can fix Yahoo mail not working on iPhone with iOS 11.2/11.1/11 mostly. If you find them working for you, please share this page with your friends, and assist more people. And if you find another practical method for this problem, please also share it in the comments for more customer.