If you’ve enabled login verification on your account, be sure to store a backup code before uninstalling the app.To uninstall the app: Check that your time zone settings are set to update automatically When signing in, some users may see messages like Unauthorized or Invalid username and Password.Sometimes this happens because of incorrect time zone settings, so setting your time zone to update automatically can guard against messages like this.
Double check the App store on your device to make sure you have updated the app recently.
Some Users reported having issues with their Mail on their i Phone and i Pad after upgrading to i OS 9.3 and i OS 9.3.1.
If you are on i OS 9.3 and were experiencing issues with clicking on Mail links on Safari, please note that the problem was fixed with the upgrade 9.3.1.
If you’re having issues with the Twitter app on your i Phone, i Pad or i Pod Touch device, these troubleshooting tips should help.
For the best experience using the Twitter for i OS app, consider upgrading your i OS device to the latest operating system (OS).
If your device is still using i OS 7 or lower, your Twitter app may not update to more recent versions.If you’re having trouble installing the latest Twitter for i OS app, check to see how much space is available on your phone.To see how much space is available on your device, follow these instructions: Remove your account from the app and log back in Try removing and then re-adding your account to the app.If you’ve enabled login verification on your account, be sure to store a backup code before removing your account from the app.To remove your account from Settings: If you've forgotten your account's password or are having trouble logging back in, follow the troubleshooting steps in this article to reset your password from your device.Uninstall and reinstall the app If the above troubleshooting steps didn't resolve your issue, you can try deleting and reinstalling the app on your device.