You may do so through the web, iOS, or Android apps if you are still logged in. If you recently changed your phone number or mobile carrier, you will need to update your settings.If you're logged in, verify that your phone is turned on correctly in your Mobile settings.Please wait at least two minutes before trying to sign in again. SMS text messages may experience delays in delivery.Learn tips on how to keep your account secure.If you do not have an open web session and you do not have your old phone, you can still log back in to X.com using your backup code. You can also unenroll from two-factor authentication on your old phone, or from X.com if you have an existing open web session.Typically, iCloud backups alone do not preserve the key and without an encrypted backup, you may be required to log back into your app using a temporary password generated on X.com) ( Note: If you're on X for iOS, we recommend you do an encrypted backup to preserve your app key. This will let you restore your app session on your new device, allowing you to continue to use two-factor authentication. We suggest backing up your old phone before you replace it.
