Product : Cell Phones > AT&T Cell Phones > SGH-I607
The BlackJack’s USB connection must be changed from ActiveSync to Modem.
1. On the phone, press Start > Settings > Connections > USB.
2. Using the directional pad, change the selection from ActiveSync to Modem, select Done (left soft key).
3. Connect the BlackJack directly to the computer using the included USB cable. The Found New Hardware wizard should then be displayed on the computer.
4. Follow the on-screen prompts to complete the Samsung modem driver installation.
In addition to the SAMSUNG Mobile Modem, the SAMSUNG Mobile Modem Diagnostic Serial Port (WDM) is also installed.
Both of these should be displayed in Device Manager.