At 02:02 AM 6/27/04 +0200, Thomas Shaddack wrote:

Can it be disabled by hardware hack of the phone, a mikropower jammer,

or

using an "unofficial" firmware?

It would be hard to verify/test that you had in fact cut the correct trace, and it would depend on the phone, and you would void your warrantee. Firmware hacks are of course the free man's last refuge.