Vigor 3910 - Older Firmware

Firmware Information
Current Version	4.4.5.1 Release Notes
Release Date	11/09/2025
Support Language	English
Supported Models	Vigor 3910

Firmware Filenames:
The file name extension of the firmware controls which upgrade type is performed. If the file name is unchanged (eg is xxxx.all) then the upgrade will just upgrade the firmware, whereas renaming the firmware to a .rst extension will wipe all settings back to factory defaults when upgrading the firmware.

Mainline and Stable Firmware Branches:
Stable - Formal releases of firmware incorporating any bug fixes and firmware improvements.
Mainline - Incorporates new features, bug fixes and firmware improvements.