Register MTR Mobile now and get extra 500 MTR Points when applying the referral code on the registration page. From now until January 31st 2023, new user who successfully opens an MTR Mobile account can earn a free MTR domestic ride!
https://link.mtrmb.mtr.com.hk/moblink/?mgm/?code=RN7GJH
My referral code:
RN7GJH