By contacting the card provider
Yes, you can as long as the O2 phone is unlocked, then you can use a Vodafone SIM on it, or a SIM card from a different carrier.
An individual may request a free O2 Sim card directly from O2. On the O2 website there is a form to be filled out with an individual's address, and the sim will be posted out to them. There are a variety of sims that can be ordered from the website.
no
One can purchase an O2 pay as you go SIM card directly from O2 in Exeter. One can also purchase SIM cards at any shop that has a mobile phones section.
Go to O2 customer services or an O2 retail store to sort out the problem. Make sure that it is actually an O2 SIM card, if you can't be bothered to go to O2 just get jailbreak software I don't recommend it though, if I were you I'd get off your backside and get to someone who's with O2...
:L
you can only get Genie from O2
Nope. theres no way atall.
Purchasing a SIM card from 02 is not difficult. The SIM card can be pay and go, and allows savings on roaming charges. SIM cards can be purchased at mobile stores.
There are several places one can purchase an O2 SIM only tariff. The best place to buy this would probably be on O2's own website or in an O2 shop, though there are other phone shops, such as the Carphone Warehouse, who would be able to supply these SIM only tariffs.
There are a couple different ways one can get a free Vodafone SIM card. The best way to obtain a free SIM card is directly through the Vodafone website. You can get a free SIM card when you sign up for Pay as you Go service.
Cook for 5 seconds in a microwave oven, this will do the trick.