hi. ive just used quickpwn 2.2.5 to jailbreak and unlock my iphone 2g. it all seems to have worked ok, but once it had finished, it said on screen waiting for activation, and i have no service. it wont work with any sim card, even the original o2 one. i have tried restoring and re-jailbreaking a few times, but nothing seems to work. any ideas?