1. ComputerDownload and install the Kies software (Kies software contains device drivers),If you do not have Kies software installed on your computer, you may be unable to connect because of a lack of device drivers.Download Kies PleaseClick here, you do not have to turn on the software after the installation is complete.
2. In standby mode, click the "Application" icon.
3. Click "Set".
4. Click "More" and select "Developer Options". (Please click here if you want to open the hidden developer option.)
5. Click on the slider to the right of the developer options and click OK.
6. Click on "USB Debugging" and click "OK".
7. Use the data cable to connect the phone to the computer and open 91 assistants.
8. After a period of time, the phone appears on the "Allow USB debugging?" ", such as check" is allowed to use this computer for debugging "and click" OK ", the connection to the computer will not be asked after this query, and directly connected with the phone, if you do not check" all allowed to use this computer for debugging, "the computer each time you need to click" OK "before you can start the connection To "check" to allow the use of this computer for debugging, and click "OK" for example.
9. After the 91 assistant connection succeeds, will show the handset model.
Tip: If 91 assistants are in the following position for a long time, it is recommended to click "Refresh Device List" below.
If you cannot connect 91 assistants after the above operation, it is recommended that:
1. Update the 91 Assistant software version attempt.
2. Check that the computer has the appropriate. NET Framework version installed (the recommended version is. NET2.0 or above).
3. Check to see if the Android driver has been installed. Can be in: My Computer-(right key properties)-tab-hardware-Device Manager view, if the new hardware in Device Manager, that is, with a yellow exclamation point, you need to install the driver. To install the driver, please click here to download the Kies software and install it, but do not open the Kies software.
4. Check the computer USB cable and connection interface is normal, replace the computer USB interface attempt, desktop recommended by the host behind the USB interface.
5. If the above operation is still not available, it is recommended to replace the other Third-party synchronization software use.