The UK’s best Black Friday SIM-only (no handset) dealsYou may or may not have heard, but it’s Black Friday tomorrow and that means mobile providers are offering SIM-only deals that are variously being described as ‘amazing’, ‘epic’ and ‘red hot’. Exciting, huh? If you’re happy with your phone, getting a SIM-only deal can be liberating. You can often get more data for your money and you won’t find yourself tied into a lengthy two or three-year contract. But which one to go for?