參考文檔：
https://www.intel.com/content/dam/support/us/en/documents/emerging-technologies/intel-realsense-technology/RealSense-D400-Series-Spec-Update.pdf
https://www.intel.com/content/dam/support/us/en/documents/emerging-technologies/intel-realsense-technology/Linux-RealSense-D400-DFU-Guide.pdf
下載更新文件：
https://downloadcenter.intel.com/download/28377/Latest-Firmware-for-Intel-RealSense-D400-Product-Family
【重要！：在更新的地方看自己的設備型號，不要下載錯了~】
1、echo 'deb http://realsense-hw-public.s3.amazonaws.com/Debian/apt-repo xenial main' | sudo tee /etc/apt/sources.list.d/realsense-public.list.save
2、sudo apt-key adv --keyserver keys.gnupg.net --recv-key 6F3EFCDE
3、sudo apt-get update
4、sudo apt-get install intel-realsense-dfu*
5、此處下載上面的更新文件，解壓找到bin文件
https://downloadcenter.intel.com/download/28377/Latest-Firmware-for-Intel-RealSense-D400-Product-Family
6、lsusb查看usb信息
Bus 002 Device 002: ID 8087:8000 Intel Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:8008 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 003: ID 413c:2003 Dell Computer Corp. Keyboard
Bus 003 Device 002: ID 04b3:310c IBM Corp. Wheel Mouse
Bus 003 Device 014: ID 8086:0ad6 Intel Corp.
Bus 003 Device 011: ID 2019:ed17 PLANEX GW-USValue-EZ 802.11n Wireless Adapter [Realtek RTL8188CUS]
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
7、intel-realsense-dfu -b 【USB Bus編號】 -d 【Device編號】 -f -i 【固件的名稱】
-b -d後接的是對應的Bus和Device號，每個人都不一樣
輸入lsusb | grep 8086查看
比如我的顯示Bus 003 Device 014: ID 8086:0ad6 Intel Corp.
不會看的話，最笨的方法就是都試一遍
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原文鏈接：https://blog.csdn.net/qq_42393859/article/details/86133988