(e.g., VoIP not working, Wi-Fi drops, bridge mode broken). If you must update, get the file directly from your ISP’s support engineer. For those who want to experiment, first purchase a cheap, already-unlocked HG8245W5 from a reseller that provides firmware support.
Select for an online check or Browse to select a firmware file previously downloaded to your computer. 3. Automatic Updates Huawei Echolife Hg8245w5 Firmware Download
Finding the correct firmware for the Huawei EchoLife HG8245W5 VoIP not working