Yes it is registered to o2 Network. And it does not have a pin. In fact another SIM arrived this morning
that was registered ,£10.00 stuck on it, and that does not work either.
Both cards work in my phone.
Its going, got the UFL connector off OK, but removing the surplus solder off it caused the ring to break away. Just made an antennae of copper wire, soldered that onto pin 32 and its sending me texts :-)