How do I cancel my 3ireland subscription to Cafeyn? 29 January 2021 11:42 Updated 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 How can I cancel my subscription? If I am an existing Cafeyn subscriber, can I still redeem this offer? How do I cancel my O2 subscription to Cafeyn?