GSM WORLD

> Ive just discovered an old clam phone at the back of the cupboard that
> probably hasnt been used for about 9 months, maybe a year. It was on O2
> PAYG and when I fire it up it says theres a SIM problem and goes to
> emergency only. When I try to ring the number I get a message saying that
> the number is not recognized, so Ive obviously been cut off.
>
> How do I get it reinstated? I seem to remember that there was a couple of
> quid left on it - I suppose thats gone as well eh?
> TIA,
> John
>