Upgrading the firmware on a isn’t for everyone. It requires patience, curiosity, and a bit of guts. But if you enjoy tinkering and want to squeeze every drop of performance out of your fiber connection, it’s a deeply satisfying mini-project.
For those with unlocked devices or access to official software from ZTE Support , the upgrade process generally follows these steps: Converge F670L Bridge mode - GitHub Gist zte f670l upgrade firmware
Sometimes unlocks better management tools or improved Quality of Service (QoS) settings. Upgrading the firmware on a isn’t for everyone