I installed OpenWRT version 23.05.5 on my ZyXEL XGS1250-12 , but doing so seems to have caused the switch to lose all Ethernet port connectivity. I'd like to try an earlier firmware version per advice I received in my earlier post . I can interact with the switch using only the serial connection, but…

I came across a python3 implementation of a tool called Serio , that seems to be transferring the old firmware using the serial connection. After downloading and un -compressing the file from GitHub I ran these commands to set up the environment and run the tool: cd serio virtualenv . source bin/a…

OpenWrt Forum

How to send files with serial connection?

Installing and Using OpenWrt

frollic February 2, 2025, 6:01am 2

There are several project like this one on GitHub, if this one fails.

1 Like

All network connectivity lost after update