Originally Posted by BobFF68

I enrolled Alfursan and while tier miles reflect original booking class, it seems that reward miles reflect the upgraded class, but I'm definitely not sure as the app only shows the total miles per leg but not the breakdown (outbound flight that was upgraded from Y gained 7472 reward miles while the inbound that was booked in J saver class from the beginning gained 6227 miles).
To note that Alfusran webiste and app are terrible, full of bugs and issues, same as their customer support via WhatsApp or email, useless and frustrating.