Originally Posted by
OPebble
Note that you can't lounge hop at T4/T4S.
If your flight leaves from T4 you MUST use the T4 lounge and similarly for T4S. Mind you it is a right PITA to get between T4 and T4S so not many would want to try.
I was able to use the T4 lounge despite my flight leaving from T4S. I wanted to take a quick shower before visiting the city (had a long layover). The gentlemen there did mention that my flight did not depart from T4, but did not say much more than that.