Hey Everyone, yup I've been having the same problems as above. I have found the only way to get it to work again was by downloading an older version of PayPal (e.g go to This website) and find a version of PayPal before when your S5 fingerprint stopped working (I chose v6.14) and voila, as soon as I signed in it asked me if I wanted to link my fingerprint to the app. The problem is purely with the new version of the App (as of 19/04/2018).
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