"Tom Blench" <Thomas.Blench.2001@cs.bris.ac.uk> wrote in message
news:m2d6grfllt.fsf@pc-62-30-255-28-az.blueyonder.co.uk...
> "Steve Terry" <g4wwk-remove-to-reply-@tesco.net> writes:
>
> [snip]
>
> > > >> They've probably updated the preferred roaming network list to networks
> > > >> that make Orange the most money.
> > > >>
> > > > That's the usual reason for an unasked for Sim update, simply delete the
> > > > preferred networks list.
> > >
> > > How would that be possible using a GSM cellphone?
> > > - James
> > >
> > Ericssons have a preferred networks menu,
> > stick the Sim in one and use the delete option
> > Steve Terry
>
> In which case your phone will select the network with the strongest
> signal at the airport/point of arrival in the country. Why is that
> more preferable? You can always select a different network manually
> if you want.
> Tom
>
That's why you want to delete the preferred networks list, or the phone
will keep trying to log onto those in it's list, instead of staying on
the one you selected manually

Steve Terry