Originally Posted by
Ikraamk
I wouldn't try the lounge because I do not believe they can re-issue your boarding pass... If you have a long wait for QR flight just go through arrivals and go to check in counters to play it safe. Having recently flown in F I believe it is worth it for the experience and in my humble opinion it is a step up from their J.... It might not be private suites but the quality is pretty amazing.
Thank you for advise. If I land on time in Bangkok today I will go out to the check-in and try to upgrade there. Alternatively I will try at Transit Desk or Lounge. If I am successful with upgrade I will let you know. Anyway I will post my trip report to my blog and here.