Searching for can be frustrating, but the golden rule is: always get firmware from your internet provider, not random websites. A corrupted or wrong firmware will turn your router into a paperweight.
You cannot just upload a generic OpenWrt build here (though people have tried on the similar DWI2385—spoiler: they fail). technicolor dwi259s firmware download
Sometimes a simple manual reboot can trigger a pending update. Power the device off and back on; a blinking blue light often indicates an upgrade is in progress. Advanced & Third-Party Unlocking Searching for can be frustrating, but the golden
The (sometimes labeled under the brand names of ISPs like "Bell Home Hub 2000" or similar) is a combined modem, router, switch, and Wi-Fi access point. It supports: Searching for can be frustrating