Originally Posted by
Jaenks
I have the same type of the schedule change, yet to take the flight. TK contact advised just to leave as it is, since after approving the schedule change, upgrade(s) will be gone and must be applied again and there might be no availability in J. The only downside of it, if at all, is not be possible to do online check-in, only at the airport counter.
Did you already took the flight or will you take the flight soon? This is also what I read in the forum from other people.