Before searching for files, log into the web interface:
Huawei does not host public firmware for the HG8145V5. You must find it via: Huawei Hg8145v5 Firmware Update
Log in with your admin credentials (check the sticker on the bottom of the device). Before searching for files, log into the web
Factory reset the device (press the reset pinhole for 10 seconds) and restore only your essential settings from backup. This clears old configuration remnants. Before searching for files