If I am an existing Cafeyn subscriber, can I still redeem this offer? No. You would need to use a different e-mail address when activating your Cafeyn/O2 offer! Related articles Can I purchase magazines outside of those on offer via O2? How do I cancel my O2 subscription to Cafeyn? What does my subscription include? What if I want to read different magazines from the existing catalogue? If I move to the O2 chargeable subscription will the catalogue stay the same?