If the case given in the query becomes true then the problem will be related to yahoo mail not opening on an android device the android device itself, for getting a resolution to the issue the user should get the android device updated. If needed then to know more the user should get in touch with the team of trained and certified yahoo technical team.
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Use the below tips to fix common problems in your Android device.
1. Network Connection Issue
If you are connected to the internet via Wi-Fi, make sure that your device is receiving a proper signal.
If you are connected to the internet via Mobile date, make sure that your data pack is not over.
Try opening any website in your browser and see if the internet is working fine.
Make sure your Android device is connected to the Internet else Yahoo mail app won’t work.
2. Review permissions for Your Android app
You might be facing sign-in issues with your Yahoo mail as you haven’t given required permission to the Android app on which you are using Yahoo mail. It is recommended to review permission for your Android app and make sure it’s enabled.
3. Using Non-Yahoo Mobile App