2. On the mobile desktop to find the lower right solution of the "Application" we click on it.
3. Click on her to find "settings".
4. Now we'll see a "more" icon and we'll click on "Developer Options" here. (If we do not open the USB can be clicked S5 USB debugging Open method)
5. OK, we are now in the mobile phone's "developer option" Here we reverse it open, and then don't forget to click "OK" button oh.
6. After opening the developer option, we will find "USB debugging" and then pop up "Allow USB debugging" prompts, we click "OK".
7. Now we can start to connect the phone to the computer.
8. After the successful connection, the mobile phone will prompt a "Allow USB debugging" and the same as above, we click OK.
9. Now we can open the 91 assistant, open 91 He will automatically identify the phone number connected to the computer (the following figure I take the S4 as an example screenshot).
if it has not been shown we can click the "Refresh Device List" in the 91 assistant as shown in the following illustration.
Okay, if the installation doesn't work, maybe the driver isn't installed, and if you're sure the installation is good, we can see if it's a 91-helper version, and just look at your computer. NET Framework No, if you don't have to install it before you do it, Finally, it's not going to work. USB interface may be a problem we can try to use the Replace callers test Oh.