1. First installs the KIES3 software in the computer, installs the KIES3 software when the handset and the computer cannot connect.
2. Mobile phone to turn on USB debugging (Samsung mobile phone USB start debugging)
3. If you need to use a Third-party pc suite, it is recommended that you hook up after USB debugging.
4. After successful connection to the computer, the dropdown screen-connected as an external storage device: Media device (MTP)/Camera (PTP)-will check the media device (MTP) option.
5. If you cannot connect, check whether Windows Media Player is installed on your computer, check that the version of Windows Media Player is above 11 in your computer, and recommend downloading the latest version of the software if the version is lower.
6. Disconnect the phone from the computer and reopen the Kies software
7. Replace the computer USB interface, the desktop is recommended to use the USB port behind the host.
8. Turn off anti-virus software or firewall attempts in your computer.
9. It may be related to the computer system compatibility program, you can also change other computer to try to connect.
Note: If through the above method still can not connect, please take good purchase invoices, repair cards and machines to the Samsung Service Center, the engineers check the machine and processing.