A: Recommended but not required. The installer will automatically upgrade.
Qmr-998 | Firmware & Utility Suite Hero Section Headline: Qmr-998 Software Download – Latest Version Subheadline: Optimize performance, unlock advanced metrics, and update your Qmr-998 controller with the official release. Qmr-998 Software Download
tar -xzf qmr998_cli_v4.2.1.tar.gz cd qmr998_cli sudo ./install.sh Tools → Firmware Update → Select qmr998_fw_v2.3.0.bin FAQ (2–3 questions) Q: Is the Qmr-998 software free? A: Yes – all official Qmr-998 tools and firmware are free for existing hardware owners. A: Recommended but not required