I'm wondering how the title works. For example, I get a Tesco pay as you go free credit sim. Top it up with £10, so it triples to £30. I then get the unlimited browsing pass for £2. Would this £2 simply come out of the overall free credits i.e. I'll have £28 left and 7 days free data?
So overall if this works then, I could get a month of unlimited data (£8) plus £22 credit for £10 every month?