Question iPhone people from someone in England. My iPhone was bought in America before Nov 11th and had the 1.1.1 software. All worked fine until i had to get it repaired and it came back and was restored to the new 1.1.2 by myself in iTunes. (when away from repair there was no software updates done)

I have this morning successfully downgraded to .1.1.1 and even downloaded the basebander (1.1.2). However when i put my own sim card in (02 pay as you go) and then run any sim it says it gets 3/4 of the way through and says "Anysim cannot be used with this phone, please turn Phone off and restart"

Any ideas would be much appreciated. I am going round the bend!