Yusun LA4-S USB Drivers (DOWNLOAD)

Yusun LA4-S phone not showing up on the PC? Or Yusun LA4-S phone won’t connect to a computer? It might be because of the missing Yusun LA4-S USB drivers or corrupted drivers. To fix the problem, download the Yusun LA4-S USB driver and install it on your computer.

Yusun USB drivers are required to connect Yusun LA4-S to a Computer or Laptop via USB cable. If you’re looking for a Yusun LA4-S USB driver for Windows 11, Windows 10, Windows 7, Windows 8.1, and Windows 8, then we have got you covered. We have shared the official USB Driver for Yusun LA4-S along with the ADB interface drivers and Fastboot drivers on this page.

With Yusun LA4-S Android USB Driver installed, we can connect the device to the computer as an MTP USB device (Media Transfer Protocol) and transfer images, videos, documents, and other files between the two devices.

Yusun LA4-S ADB Driver and Fastboot Driver enable you to pass ADB commands and Fastboot commands from the computer to perform certain operations on your phone.

Download Yusun LA4-S USB Driver

The Yusun mobile drivers offered here can be used to flash stock firmware, stock recovery, TWRP recovery, CWM Recovery, Unlocking Bootloader, etc. It can also be used for general purposes, like transferring data and files.

Yusun LA4-S Driver for Flashing Firmware

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How to install: Follow Tutorial

Yusun LA4-S USB Driver for normal connecting to PC

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How to install: Follow Tutorial

The Yusun LA4-S Fastboot and ADB drivers can be downloaded below.

Yusun LA4-S ADB and Fastboot Drivers

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How to install: Follow Tutorial

[!] Note: If you face Driver Signature Error while installing the USB Driver, then watch this video to fix the problem.

Also Download: Yusun T21 USB Drivers

How to Install Yusun LA4-S Qualcomm USB Drivers

First of all, download Qualcomm USB Driver (qualcomm-driver.zip) package on your computer and extract it to Desktop.
Once the Qualcomm Driver package is extracted, you'll find Qualcomm_USB_Driver_V1.0.exe setup file.
Right-click on the Qualcomm USB Driver setup file and click on Run as administrator.
Now Qualcomm USB Drivers for Windows installation wizard window should launch. Select ETHERNET-DHCP is used to get the IPAddress option and click on Next.
Click on Next again to proceed with the Qualcomm Drivers installation on your Windows computer.

Select I accept the terms in the license agreement and click on Next.
Click on Install to begin the Qualcomm HS-USB Driver installation process.
When a Windows Security window pops-up asking "Would you like to install this device software?" Click on Install.
Click on Finish, when the Qualcomm Driver installation process is completed.
Finally, restart your computer.

How to Install Yusun LA4-S USB Drivers Manually

Download and extract the latest Google Android USB Driver (latest_usb_driver_windows.zip) on your computer.

Launch Device Manager on your computer by right-clicking Windows Start Button and selecting Device Manager.
Once the Device Manager window loads, click on your Computer name.
Now click on Action and then select Add legacy hardware.
Now Add Hardware Wizard window should open. Click on Next to continue.
Select Install the hardware that I manually select from a list (Advanced) option and click on Next.

Now select Show All Devices and click on Next.
Now click on Have Disk… to launch the Install From Disk window.
Now click on Browse… from the Install From Disk window and navigate to the folder where you have extracted the drivers in Step #1.
Now select android_winusb.inf driver file and click on Open and then on OK.
Select the Android ADB Interface driver from the list and click on Next.

Confirm the Hardware driver to install and click on Next to begin the installation process.
Once installed, click on Finish.
Follow Steps #3 to #13 again and install the Android Bootloader Interface driver and Android Composite ADB Interface driver.
Once all the listed drivers are installed, restart your computer.

Video Tutorial: How to Install Yusun LA4-S Android USB Drivers

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How to Install Yusun LA4-S ADB and Fastboot Drivers

Download the 15 Seconds ADB installer on your computer. Once downloaded, extract the zip file to obtain the ADB installer setup file.
Now, right-click on the ADB driver installer setup file and select Run as administrator.

Now a command prompt window should load on your computer.
It should ask whether you want to install ADB and Fastboot driver on your computer. Press the Y key and then press Enter.
Now, it should ask whether you want to install the ADB driver system-wide. Press the Y key again and hit Enter.
Now, the ADB and Fastboot driver installation process should start.
When the installation is completed, it will ask whether you want to install device drivers. Press the Y key and then press Enter.

Now the "Device Driver Installation Wizard" window should pop-up.
Click on Next to install the Google USB Drivers (WinUSB).
Once the installation process is completed, click on Finish and reboot your computer.