Im coming to the end of my iphone 3gs contract with o2 so i know looking at a rolling contract. I just have a couple of questions.
-How do i know if my phone is unlocked? Im thinking of going with tescos but i bought my phone from o2/
-How much is 1gb of data? i know it sounds like a stupid question but i think i have unlimited with atm so im scared that 1gb isnt going to be enough.
- whats the difference between a normal 30 day rolling contract and a 'iphone' one as companies seem to be showing that they are different things =/