Do you have Wi-Fi? The O2 06 March 2015 14:53 Updated Follow Yes. The O2 has hotspots for both O2 wifi and The Cloud. Related articles Where do I need to go to enter the arena? Are there any lockers/cloakrooms at The O2? Where can I smoke? Where are the cash machines? Is level 4 really high up? Comments 0 comments Article is closed for comments.