Okay so I've you're on your cellphone and you have chrome browser you just have to
http://i64.tinypic.com/2due5u0.png Step 1: click on those 3 dots on your upper right corner
later you http://i64.tinypic.com/o7svo7.png click there
and then a new incognito tab will open, then you'll procced to search for mangago's page and then
http://i68.tinypic.com/ou1a20.png you click on sign in , and fill up all the info, your email address, your password and the captcha
I hope being of any help (? ;W;
I can't sign in when i use my phone, i already fill my account and password and the number too.