Settings/General/Security/Phone+SIM/Keylock period.

Grumpy 1015 wrote:
> Hi - my handset locks automatically when the slide is closed, and
> that's fine. However, it also locks itself when the slide is open and
> I'm on a call. This is a pain, and I can't seem to find out how to
> disable this. Can anyone help?
> Cheers,
> Colin