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: Visit the official iFix site (Chinese) or their international support pages.
: Use WinRAR or 7-Zip to unpack the .rar archive. 3. Installation Steps Download RT809H 20210701 ENG rar
: Many antivirus programs flag programmer drivers or executable files as "false positives." It is recommended to temporarily disable real-time protection or add the download folder to your exclusions. : Visit the official iFix site (Chinese) or
: Once the main software installation finishes, a prompt to install the USB Drivers will typically appear. Ensure your RT809H programmer is unplugged during driver installation. 4. Initial Configuration Download RT809H 20210701 ENG rar