I have an existing Link account and encountered problems logging in. How can I login? Please login with the same mobile number that you have used to register for Link membership. Related articles Can I check Linkpoints without logging in to my Link account? Why do I create a Link account? How do I update my personal particulars in Link Rewards Programme? Who can I contact for enquiries? My registration has failed; it says my details are not valid. Why and what should I do?