Predated: As you have admitted here you didn't intended to see the contract out and end it straight away, you have not entered the contract in good faith and as such have obtained a subsidy by deception, this is illegal. Digital Mobile are within their rights to claim this subsidy back.
He didn't get the subsidy at all, since he paid the ETC, which covers it.
What I don't understand is why people just don't buy outright from the Apple website...