Step 1. Disable USB debugging.
1. In standby mode, click the menu key in the lower left corner and select set ].
2. Move the screen up and select development ].
3. Cancel the USB debugging check.
Step 2. Download the Kies synchronization software
Download and install the Kies software, but you do not need to open the Kies software. Because some computer systems lack program files, we recommend that you download the software and try again.
The Kies software download link is as follows:
Http://www.samsung.com/cn/support/usefulsoftware/KIES/JSP
Step 3. Connect your phone to your computer
1. Connect the data cable directly to the mobile phone and the computer. No operation is required on the mobile phone.
2. the mobile device drive letter will pop up on the desktop (if the computer version is different, if not, you can enter my computer, find the mobile device drive letter, double-click to open it), and then open the device, you can copy the data in your computer to the drive letter.
Tip: If you still cannot connect to your computer after the above operations, you can:
1. Check whether Windows Media Player is installed on your computer and whether the Windows Media Player version on your computer is later than 11. If the version is earlier, you are advised to download the latest version of the software.
2. We recommend that you replace the usb interface on your computer, and use the usb port on your host on your desktop.
3. We recommend that you change the computer connection, which may be caused by the compatibility of pirated software or the anti-virus software firewall.