If the "Upgrade" button is missing or greyed out, your ISP may have "locked" the firmware to update automatically via
Username: Admin. Password: VF-NZhg659 or @(followed by the last 8 digits of the routers Serial Number) Simply Broadband HG659 Home Gateway Quick Start - download-hk.huawei.com huawei hg659 firmware update
Updating the firmware on your can resolve bugs, improve Wi-Fi stability, and patch security vulnerabilities. Depending on your ISP (like Vodafone, Spark, or TPG), the process can vary slightly between automatic and manual methods. Method 1: Automatic Online Update If the "Upgrade" button is missing or greyed