Want to use Facebook in Touch UI ? Try this on your old S60v5 Devices

Preview :

 

This trick is little old one but use full !
-For this you will simply need Latest Web Browser !
-and Go to this URL : https://touch.facebook.com/
Enjoy!

but this interface might be Heavy for phone so it could be little slow....
might need strong internet !
3G or Wifi is recommended for this UI !
Thank You...