Be careful with the Marriott Bonvoy Android App. I briefly had 2FA enabled a month or so ago. I disabled it to avoid the hassles and the potential account lockout. Now, virtually every time I go into the Marriott Bonvoy Android App a pop up screen comes up for an enhancing my account security (pronounced 2FA). So I now have the added nuisance of declining 2FA every time I use the app. YMMV..

--Jon