To help you get the exact update you need, could you let me know: Who is your current ?
The Ultimate Guide to Huawei HG8145X6 Firmware: Updates, Features, and Troubleshooting Huawei Hg8145x6 Firmware
If your provider allows manual updates, you will need the specific firmware file ( .bin ) for your model variant. To help you get the exact update you
Installing the wrong firmware file or losing power during an update can permanently brick your ONT. Always use a wired Ethernet connection—never attempt a manual firmware upgrade over Wi-Fi. Step-by-Step Manual Upgrade Process: Huawei Hg8145x6 Firmware