Well spill the beans ?????
This may help
Enable tethering on the iPhone by tapping Settings > General > Network > Internet Tethering.
Tap Internet Tethering to switch it on.
Connect the iPhone to the computer using USB or Bluetooth.
USB
Connect the iPhone to the computer using the USB cable
If necessary, follow any prompts on the computer to configure a new network connection
Bluetooth
Enable Bluetooth on your iPhone and computer
Pair your iPhone with your computer (Windows): Click the Bluetooth icon in the Notification area (system tray), select Add a Bluetooth Device, and follow the onscreen instructions.
When pairing is complete, click the Bluetooth icon in the Notification area, select Show Bluetooth Devices, highlight your iPhone, and then click the Properties button.
Click the Services tab, then check the Wireless iAP checkbox, and click OK.
Pair your iPhone with your computer
(Mac OS): Open Bluetooth Preferences, click Set Up New Device and follow the onscreen instructions.
When pairing is complete, make sure the option Use device as a network port is selected.
Connect to your iPhone (Windows): Click the Bluetooth icon in the Notification are (system tray) and select Join a Personal Area Network.
Click Connect.
Connect to your iPhone
(Mac OS): Click the Bluetooth icon in the menu bar, choose your iPhone, and then choose Connect to network.
Your iPhone should now have a blue bar at the top of the screen to show that Tethering is working.