Hi all,
I've read this doc page about attended sysupgrades and although it all sounds very promising, it doesn't seem as though luci-app-attendedsysupgrade or auc are able to handle the huge leap from v19.07.4 to the latest stable release of OpenWrt.
Installing the former package and attempting to search for an applicable sysupgrade on my TP-Link Archer C7 results in the same error messages mentioned in this thread, which were supposedly "solved" by installing the ca-certificates package, but that does bupkiss for me.
Like most people that post about their problems on internet forums, the OP of that thread seems to have either forgotten about the issue, or solved it and ran like the wind, not caring about helping anyone else by posting about their final situation.
So how can I upgrade this ancient firmware on my Archer C7? Should I forget about using any provided tools to make the process easier, and just build a custom image myself? MTIA for any helpful advice