Use your admin credentials (often telecomadmin / admintelecom or root / admin ).
If you have an enterprise account, the Huawei Support Portal is the only 100% safe source. hg8345r firmware top
If you are with a major provider, their custom firmware is technically the "top" choice for stability. These versions are optimized for their specific network infrastructure and often include auto-configuration features (TR-069). How to Find and Download the Firmware hg8345r firmware top
Go to System Tools > Configuration File and download your current settings. hg8345r firmware top
The Ultimate Guide to HG8345R Firmware: Top Downloads and Updates