How do I cancel my 3ireland subscription to Cafeyn? In order to cancel your subscription, you would need to contact directly 3ireland via three.ie/chat or by calling 1913. Cafeyn will not be able to cancel it for you. Related articles I cannot access to the service / I'm asked to pay to read magazines. If I am an existing Cafeyn subscriber, can I still redeem this offer? Can I use Cafeyn without an internet connection?