How to install alternative firmware to the SenseCAP M2 Data Only LoRaWAN Indoor Gateway

When I searched for a new LoRaWAN indoor gateway, my primary criterion was that it should be capable of running open-source firmware. The ChirpStack Gateway OS firmware caught my attention. It's based on OpenWrt and has regular releases . Its recent 4.7.0 release added support for the Seeed SenseCAP M2 Multi-Platform Gateway , which seemed like an interesting and affordable option for a LoRaWAN…