In article <cSe2m.19027$KQ4.18304@newsfe18.iad>, Todd Allcock
<elecconnec@aNOoSPAMl.com> wrote:

> > > Except for the iPhone, SIM unlocks, like diamonds, are forever.
> >
> > As far as I'm aware, that's because most SIM unlocks work by setting
> > the SIM lock flag to "off", whereas the iPhone SIM unlock hacks work
> > by disabling the code which enforces the SIM lock. So when you
> > re-flash the code, the flag is still set to "locked" and the lock
> > comes back.
>
> I assumed it must be some sort of "bypass" rather than a true unlock since
> it doesn't "stick"- thanks for the clarification.

it does stick on the 2g iphone.