I got this about a month ago for £16 but with student offer but mine allows tethering, hotspot and EU roaming.
Jas - is this for new customers - or a retention deal. How did you get it? What was the process you used?
is this retnetion or new customer
Some people in this post got a better offer: https://www.hotukdeals.com/deals/3-retention-deal-all-you-can-eat-data-and-text-600-minutes-12pm-144-2939913
Essential... No tethering? That's an awful lot of staring at a small screen.