Step 1. Turn on the USB debugging option
Android 4.0 System below
1, "Setting (set)"-"Application"-check "unknown source"-"development"-Check "USB debugging" and "Stay Awake State";
Android 4.0/4.1 System:
1, "Developer Options";-Check USB debugging.
Android 4.2 and above system
1. We take the Samsung S5 series as an example, so this phone's USB open way is a little different "application".
2. Click "Set".
3. Click "General".
4. Slide up the screen and click on the device.
5. Click on the "build number" until the prompt "developer mode is enabled".
6. Click on the "<" icon.
7. Click "Developer Options".
8. Click "USB Debugging" to hook it up, the screen will be prompted "USB debugging for development purposes only." It can be used to copy data between your computer and the device, install the application on your device without notice and read the record data, and click OK.
Step 2. Mobile phone and computer connection
1. Connect the cell phone and computer with the data cable and open 91 assistants.
2. 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.
Friendly Tips
If you cannot connect 91 assistants after this operation, there may be several reasons for this.
1. Mobile phone and computer connection of the data line is not original
2. The mobile phone and the computer connection data line USB interface has the problem to change the interface to try
3.91 Assistants are not installed in the official version.
4. The computer has a firewall or anti-virus software to stop, we can try to exit them