Free Vodafone sim card which is eligible for the Vodafone X plan. Select the 'I'm not a Vodafone customer' option at signup in order to receive the free sim card. Not under 25? Make a fake Facebook account with a age between 16 and 25 (birth years between 1998-1991), and use that to sign up. The sim card can also be used for other Vodafone Prepaid Plans.