openwrt

Implementing Dual-Partition Sysupgrade for the 360V6 Router on OpenWrt

5 minute read Published: 2026-05-23

The 360V6 ships with an A/B dual-partition design, but after flashing OpenWrt, sysupgrade only writes to the current partition while OEM remnants on the alternate partition cause upgrade failures. After figuring out the bootconfig slot mechanism, I submitted dual-partition upgrade support to OpenWrt upstream, which has since been merged.