The specific version 20210701 is a legacy stable build of the RT809H software.
: Use WinRAR or 7-Zip to unpack the .rar archive. 3. Installation Steps Download RT809H 20210701 ENG rar
: If the interface is still in Chinese, look for the Language (L) menu at the top and select English . 5. Keeping it Updated The specific version 20210701 is a legacy stable
: During the initial prompt, select English . select English .