Having trouble with the Twitter for iPhone app? Below is a complete list of troubleshooting techniques:
If clearing your phone's cache or turning your phone off and then on again didn't work, you should try removing and then re-adding your account to the app. This is essentially the same thing as logging out and back in again, but since there is not "log out" option on the app, you'll need to remove the account from the app entirely and then sign back in.
To remove your account from the Twitter for iPhone app:
To add your account back to the app:
If you've forgotten your account's password, follow the troubleshooting steps below to recover it.
For more information about resetting your password, please see this article.
If above troubleshooting steps didn't resolve your issue, you can try deleting and reinstalling the app on your iPhone.
To uninstall the app:
To reinstall the app:
If you're seeing "Unauthorized" or "Invalid username and Password" when you try to sign in, this is likely caused by incorrect time zone settings or an outdated version of the Twitter client application. Please make sure your Twitter client is up to date with the latest version and that the date, time and timezone settings are set to update automatically.
To check your time zone settings: