Tested Web Browsers: Chrome (Recommended), Edge
Note: Some macOS/Linux users report a "timeout error" — while I try to figure it out, I recommend doing the update on a Windows PC or following this guide.
Steps:
(0) Install CH340 drivers (optional step, modern systems often have neccessary drivers preinstalled)
(1) Disconnect the module from your rack
(2) Connect the module to you computer via USB
(3) Choose one of the options below
(4) After a succesfull update, reload the module into factory state (hold RESET during startup)