Connecting to Networks and Devices 47
Modem Mode
Autorun may automatically use Modem Mode in certain circumstances.
Autorun automatically switches to Modem Mode if the connection fails while syncing or connecting.
Always ask
You can choose to be asked to confirm the USB connection when connecting to a computer.
When Always ask is checkmarked, the USB selection window is displayed.
Autorun is not available when:
Phone is booting (powering up).
PC operating system is not set to Autorun (automatic execute command).
To change the setting while Autorun is running:
You can change the settings while Autorun is running. Touch the Apps Key 
> Settings > Connectivity > Default connection mode.
NOTE Be sure to checkmark the box Always ask if you want to be asked to confirm the USB connection mode when the phone is connected to a computer.
Using the Status Bar to change the settings
The Status Bar shows the current USB connection mode so you can easily open the Status Bar and change the settings as needed.
When connected via USB, the current USB connection mode also appears on the Notifications panel. Touch the connection setting to display a screen where you can change the USB connection mode.
NOTE If the Always ask checkbox is marked, the screen is only provided during USB connection, but is not provided in the notification area.