Because there is no native Windows 10 executable, you must use the original Windows 7 driver package and "force" it to work.
The result? A yellow exclamation mark in Device Manager and a useless WWAN card. hp un2420 mobile broadband module driver windows 10 repack
I will update the post if new issues arise. Because there is no native Windows 10 executable,
Microsoft significantly tightened driver signing requirements starting with Windows 8 and fully enforced them in Windows 10 (especially after Version 1709, the Fall Creators Update). The official HP drivers for the un2420 (sp51086.exe, sp62051.exe, etc.) were signed with SHA-1 certificates that expired in 2016. Windows 10 these drivers by default, refusing to load them even after a manual installation. I will update the post if new issues arise
This article is your definitive resource for the We will explain what a "repack" is, why official drivers fail, where to find a stable repack, and how to install it step-by-step.
If you are still running an older HP EliteBook (e.g., 8440p/8460p/8560p) or ProBook with the module (Sierra Wireless Gobi 2000), you know the pain. HP stopped official support after Windows 7. Windows 10 often recognizes the device as an "Unknown Device" or fails to start (Code 10/Code 31).
By using a repackaged driver, you can extend the life of your HP laptop and enjoy mobile data without needing external USB dongles. Always ensure you download drivers from reputable community sources to keep your system secure.