There is a big issue that Yahoo users are facing and that is
Yahoo mail not working on android 2020. To fix it-
• Check if you are using Yahoo with a good internet connection
• Also make sure to check app permission for Android to connect with other details of the device
• Yahoo will work effectively on the latest OS and update the OS of your device
• Clear the application cache, and if t freezes continuously then, force stop it and then, restart again to check if the problem gets fixed

This issue might persist because of a few possible reasons and hence, it can be easily fixed by following the above-given steps. If not then, the Yyahoo phone number ukwill guide you to get the instant resolution.