: Always try to trigger the update through the device's internal "Check for Update" button first. Downloading firmware from unofficial forums can be risky and may contain malware or incorrect files that could permanently disable your device.

If the portal is down (rare), HVT maintains a public-facing but unlisted bucket: https://cdn.hvt.com/firmware/jmr1040/archive/HVT_JMR1040_R3.53_bin.zip

: Log in to your MiFi Admin web UI and navigate to Settings > Software Updates to check for pending network-pushed updates.