Important notice: Never perform unauthorized modifications to the device, such as replacing the
built-in SIM-card with another SIM-card. The device only works with the factory installed SIM-card.
Also, do not install the built-in SIM-card into other equipment, the SIM-card will be permanently
blocked and rendered unusable, even if it is reinstalled in the SweTrack device. Unauthorized
modifications can damage the product and will cause the one-year factory warranty to be
permanently invalidated.