FidoPhilippe - thanks for helping.
I reach the ZTE contest panel via
Login -> Usage == Fido XTRA Perks == scroll down to 2nd panel
I show here the ZTE contest panel, as seen under both of the "Contests"/"From Fido" top navigation buttons.
Just now, again clicked panel does nothing.
Fido My Account - v18.104.22.168 (1262).
My phone is stock up-to-date Android 9, never rooted.