Originally Posted by
SavvyTravel
The same for me. It took some finding on the SQ site but eventually it worked although I also had the greyed out button some of the time. Sorry I can’t remember exactly the work-around.
I’ve just looked again. Yeah app and standard mmb is greyed out. If you log into mmb from the links here: > book standard seat now
https://www.singaporeair.com/en_UK/s...equests/seats/