Just to confirm, have you tried signing in following the steps outlined here: https://goo.gl/v7CdWx ? Keep us posted.
Sorry to hear you're still having trouble. Try this guide and let us know if it helps: https://goo.gl/MZ4Ss3
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Sorry to hear you're still having trouble. Try this guide and let us know if it helps: https://goo.gl/MZ4Ss3