Originally Posted by
Xandrios
There are two buttons nowadays. One for the mileage upgrade (Which tells you to call in), and one to upgrade by means of payment. The latter gets stuck on a "
One moment please, we're retrieving your details..." message for me, so not sure how that is supposed to work. It may just be a regular upgrade (Rebook into another class).

I assume this is before OLCI right? Does the existence of such option depend on the KL entity that sold the ticket (i.e. might it be limited to BE or other countries)? I have never seen it and only always have the upgrade with miles option.