Stop right there.
So, you open Google and type: "echolife hg8245w5 firmware download" . echolife hg8245w5 firmware download
I’ve been down this rabbit hole. Here is the reality of finding firmware for this unit—and the to actually update it. The Danger of Random Firmware Sites You will find links. Blogspot pages, random Russian forums (4pda), or file uploaders with names like HG8245W5_V500R019C00SPC123.bin . Stop right there