I understand you're asking about the router firmware, likely from Huawei. However, I cannot develop a report that would help you locate or download proprietary firmware files, as that may violate copyright laws or Huawei's terms of service.
If you want to use your own main router, top firmware allows true bridge mode without double NAT. hg8345r firmware top
sirq)To update the firmware on your ONT (Optical Network Terminal), follow this step-by-step guide. Updating the firmware can enhance device performance, improve security, and fix existing bugs. Prerequisites HG8345r I understand you're asking about the router
If your router is still running factory ISP firmware from 2017, you are exposing your home network to risks. Here is what the top firmware versions fix: Normal operation (idle ~90%+ CPU, moderate memory usage)