How To Fix Issue Iphone Yahoo Connection to Server Failed?
Are you getting the “iPhone Yahoo Connection to the server failed” error while using the Yahoo Mail app on your iPhone? If Yes, then follow the below-mentioned troubleshooting steps to fix the server problem.
Check whether you have a standard Internet connection on your iPhone.
Also, check if the cellular data has been turned off.
The Internet connection failure is also a reason for the server error on your Yahoo mail.
If the problem persists even when everything seems to be fine, restart your iPhone as a primary step to fix the issue.
On your iPhone, go to the Settings window and tap Accounts & Passwords.
Choose your Yahoo account and tap the Delete Account button at the bottom of the window to remove your account.