Navigate to > Device Management > Firmware Upgrade (exact wording varies by ISP).
: Open-source support for Broadcom DSL chipsets is notoriously difficult because the DSL modem drivers are closed-source "blobs," which makes them incompatible with standard OpenWrt or Tomato builds. Unlocked Official Firmware vs. Custom Firmware
— official Huawei firmware links are often dead or difficult to locate. Community forums remain the best resource for sharing firmware files.
If you are in the and have encountered an error, share the error message and I can help identify the best recovery method. Boot log - HG658c (HG658BZV Ver. A) with BCM63168 SoC
Here is an essay-style overview of the possibilities, risks, and common approaches for this device. The Quest for Customization: Huawei HG658 V2 Firmware
Click or Browse and select your downloaded generic firmware file. Click Update Firmware or Upload .
Attempting to flash custom or generic firmware is not without risk. It often requires access to the via a Serial/UART connection (which involves opening the device and soldering pins) or finding a vulnerability in the web interface to upload a new image. A single mistake can "brick" the router, rendering it permanently unusable. Furthermore, custom firmware may lack the specific hardware acceleration needed for high-speed VDSL, potentially leading to slower internet speeds than the original software. Conclusion
Flashing a router carries an inherent risk of "bricking" (rendering the device permanently unusable). Ensure you have the following items prepared to minimize risk:
While continuing to hold the Reset button, press the button to turn the device back on.