While Yealink USB Connect can update your firmware automatically, you may sometimes need to download specific firmware files (ROM files) for manual installation, especially in restricted corporate environments.
Keep your hardware running the latest features. yealink wh66 download
Below is your complete guide to finding and installing the essential downloads for the Yealink WH66. 1. Essential Software: Yealink USB Connect While Yealink USB Connect can update your firmware