Yeah, as long as you know your mobile/cell phone number it should let you sign in.
yes you can login using mobile number in facebook on the main facebook login page.
To logout of Facebook Mobile on Android you need to roll to the sign out option, then click on it.
A Facebook account is no longer required to sign in on Answers.com.
account>logout
If you signed up before Facebook became a requirement to new registrations then you can still sign in with your old account, just click the "Sign in" button under "Legacy account member?" If you joined via Facebook or want to register a new account then you can only sign in via your Facebook account.
Use a computer or mobile phone (with Internet access), then type in Facebook.com. You will get a Facebook sign in page which will ask for your user name and password or for your information to set up an account.
go to my account under menu, delete the facebook account from there.
You have to sign up on Facebook website to do this.
to have fun
No, a Facebook account is not required. You can sign up with either Facebook, Twitter or your email address.
To sign into Facebook, first make sure no one else is logged into the computer. Then enter the email address associated with the account, user name or mobile phone number in the user field. Then enter the password and click login.
sign in