When it comes to linking your card to your wearable, we recommend the following guidelines for Android devices.
Unlike Apple handsets the sweet spot, which is the place on your phone where you need to offer your wearable, is on the back of the handset.
Hold your ring (flat in your hand) or bracelet bead (with the engraving touching the phone, not facing away from your phone or to the side) and tap this in the middle part on the back of your phone and follow on the on-screen instructions.