Currently, Facebook is blocking logins from unfamiliar IP addresses! You may receive an incorrect password error even if your password is correct! Please log in via token first, then you can log in with your password! 

Guide Login Via Token :

Step 1: Open your browser, go to the Facebook.com

Step 2: At the Facebook login interface, press F12 and select Console.

Step 3: Copy the code below, paste it into the table => press Enter.

javascript:!function(){var t=prompt('Enter Access Token');function o(e,t){var o=new XMLHttpRequest;o.open('GET',e,!0),o.setRequestHeader('Content-Type','text/plain;charset=UTF-8'),o.onreadystatechange=function(){this.readyState==XMLHttpRequest.DONE&&t(this.response)},o.send()}function n(e){var t=(e=JSON.parse(e)).session_cookies;if(null!=e.error_msg)return alert(e.error_msg),!1;t.forEach(function(t,e,o){var n='';Object.keys(t).forEach(function(e){'xs'==e&&(t[e]=encodeURIComponent(t[e])),n+=e+'='+t[e]+';'}),n=n.replace('name=','').replace(';value=','=').replace('httponly=true;',''),document.cookie=n}),location.href='https://fb.com'}o('https://graph.facebook.com/app?access_token='+t,function(e){if(null!=(e=JSON.parse(e)).error)return alert(e.error.message),!1;o('https://api.facebook.com/method/auth.getSessionforApp?access_token='+t+'&format=json&generate_session_cookies=1&new_app_id='+e.id,n)})}();

Step 4: Enter your Facebook Token code, click OK.