OpenWrt: upgrading from older OpenWrt versions to 19.x
If you have neglected to upgrade your OpenWrt router from an older version (such as 15.x) to the latest 19.x release, there are manual steps that must be taken to ensure persistence of any custom configurations and package installations. This article will take you through a manual sysupgrade to 19.x. The reason we are upgrading … OpenWrt: upgrading from older OpenWrt versions to 19.x