For anyone who has patiently searched for an effective EE SIM plan, you probably know that they don't come cheap. And that's why EE's latest offering impressed us so much. Ditching its usual pricey trend, EE is offering a 'limited time' SIM card with 100GB of data for just €20 per month. As far as we can remember, this is the best value plan EE has ever offered, beating out its Black Friday deals in the past. And with this latest plan, EE is finally taking on some of the other best-value networks like Three and its unlimited data options or Smarty's affordable Big Data plans. Below we've listed everything you need to know about the EE SIM card and other best SIM deals.