Even after the driver is installed, Windows 10 sometimes treats WWAN cards as simple modems rather than native broadband devices.
Instead of risking a random "repack," use the official Windows 8.1 driver, which is fully compatible with Windows 10 via manual installation. hp un2420 mobile broadband module driver windows 10 repack
After installing the repack, your device should appear in Device Manager under: Even after the driver is installed, Windows 10
Run the Install.bat as TrustedInstaller using a tool like NSudo. Alternatively, manually copy qcserial.sys to C:\Windows\System32\drivers and add registry keys from the repack’s .reg file. Even after the driver is installed