Reflashing the Librem 5, Up-to-Date Tutorial

[FranklyFlawless]

Mismatching sha256sum on L5 download server

For the record, I’ve fixed the CI image generation, so you should be able to flash your phones with recent plain image by omitting --stable parameter (until it breaks again at least). In order to promote the new images to stable and in turn fix the sum mismatch that’s currently present there, someone would have to test them. I’m not going to promote them blindly