To exchange data with another device, you need to turn Bluetooth on and pair your phone with the Bluetooth device with which you want to exchange data.
Drag down notification panel and touch to access Settings.
Touch Bluetooth
Touch SEARCH FOR DEVICESTouch a Bluetooth device you want to be paired with in the list.
A dialog will popup, touch Pair to confirm.
If the pairing is successful, your phone connects to the device.
To disconnect/unpair from a Bluetooth deviceTouch the Settings icon beside the device you want to unpair.
Touch Unpair to confirm.
6.4Connecting to a computer
With the USB cable, you can transfer media files and other files between your microSD card/phone's internal storage and the computer. Before using this MTP, you should firstly unmark USB debugging via Settings\ About phone\Advanced settings\USB debugging.
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.
If you use mass storage, open the Notification panel and touch USB connected, then touch Mount in the dialog that opens to confirm that you want to transfer files.
If you use MTP or PTP, your phone will be automatically connected.
To disconnect (from mass storage):84