# Update Driver
Jlink can usually be used to download and debug firmware. You can connect Jlink and target hardware through JTAG/SWD signal lines.
Jlink supporting drivers and software tools are available in https://www.segger.com/downloads/jlink/ (opens new window) (opens new window) Download.
It should be noted that in addition to the MX1510 platform, when using mdev+Jlink on Windows, you need to replace the Jlink driver.
#Jlink driver replacement on Windows (except MX1510 platform)
When Jlink is used with Openocd tools, special drivers need to be installed on Windows.
The installation steps under Windows are as follows:
- Download and install the JLink standard driver: https://www.segger.com/downloads/jlink/ (opens new window) (opens new window). Installation completion display:
- Download the libusb driver of Jlink: jlink_ update_ mxos. Zip, unzip and run: zadig Exe or zadig_ xp. Exe (for Windows XP).
- Select the menu: Options ->List All Devices, select J-Link from the drop-down list, select "libusb-win32 (v220.127.116.11)" for the Driver, click "Replace Driver", return to "successful", and then close it. "libusb-win32 devices" will appear in the device manager.
If you use JLink V9, the update process is as follows:
Due to the different versions of JLink firmware from different manufacturers, some JLink drivers may not work properly after being replaced with libusb-win32 (v18.104.22.168).
In this case, try "libusbK (v22.214.171.124)".