To disconnect/unpair from a Bluetooth device
•Touch & hold the device in the Bluetooth settings screen.
•Touch Unpair or Disconnect & Unpair in the menu that opens.
6.4Connecting to a computer via USB
With the USB cable, you can transfer media files and other files between your phone’s MicroSD card and the computer.
To connect/disconnect your phone to/from the computer
To connect your phone to the computer:
•Use the USB cable that came with your phone to connect the phone to a USB port on your computer.You will receive a notification that the USB is connected.
•Open the Notification panel and touch USB connected.
•Touch Mount USB storage in the dialog that opens to confirm that you want to transfer files.
To disconnect:
•Unmount the microSD card on your computer.
•Open the Notification panel and touch Turn off USB storage.
•Touch Unmount USB storage in the dialog that opens.
To safely remove the microSD card from your phone
The MicroSD card can be removed from your phone any time the phone is powered off.To remove the microSD card while the phone is on, you must unmount the storage card from the phone first, to prevent corrupting or damaging the storage card.
•Press Menu key from the Home screen,
•Touch Settings\SD card & phone storage.
•Touch Unmount SD card.
You can now safely remove the microSD card from the phone.
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To format a microSD card
•Press Menu key from the Home screen,
•Touch Settings\SD card & phone storage.
•Touch Erase SD card. On the screen a popup warns you that formatting
the microSD card will erase its contents, touch 
.
6.5Sharing your phone's mobile data connection
You can share your phone's mobile data connection with a single computer via a USB cable(USB tethering) or with up to eight devices at once by turning your phone into a portable
The functions below may incur additional network charges from your network operator. Extra fees may also be charged in roaming areas.
To share your phone's data connection via USB
Use the USB cable that along with your phone to connect the phone to a USB port on your computer.
•Press Menu key from the Home screen.
•Touch Settings\Wireless & networks\Tethering & portable hotspot.
•Mark\unmark the check box of USB tethering to activate/deactivate this function.
To share your phone's data connection as a portable
•Press Menu key from the Home screen.
•Touch Settings\Wireless & networks\Tethering & portable hotspot.
•Mark\unmark the check box of Portable
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