We're big fans of open-source buildable code at Fairphone. Here's why

[yvmuell]

While I know you are not happy with it, you know the answer

Need to patch the FP6 kernel

We have a buildable source tree for the QSSI (high level Android) available so far, see Fairphone (Gen. 6) Android 15 source code build . For the target tree (which also includes the kernel) we don’t have a public tree ready yet that is buildable as-is. We’re working on it, but getting proprietary dependencies extracted is quite complex.