If you signed up for Facebook from your mobile phone, you can log in on your computer or your phone with your phone number and the password you created during the sign up process.
Try logging in using the phone number and password you signed up with.
Enter your entire number, including country code, without any zeros, plus signs, or other special characters.
If you still cannot log in, this is likely a problem related to your web browser. Once you follow the instructions below, try logging in with the phone number and password you signed up with.
If you are trying to log in on a computer, you can clear your browser’s cache and cookies by following these instructions.
If you're trying to log in on your phone, follow these instructions.
If you are still unable to log in, or you forgot your password, try resetting your password through Mobile. You can do this by going to m.facebook.com on your mobile device’s web browser and clicking the Forgot password? link. Enter the phone number you signed up with and complete the instructions that follow.
If you have followed all of the above instructions and still cannot log in, let us know.