> It's quite funny how my ancient S4 had 9 quick-access setting buttons which I could customize and put on the top of the settings panel and Nexii / Pixels never had those.

Nexii/Pixels have had user-configurable quick settings for a long time now? Maybe you're referring to something else?

> Sorry, forgot to say I was talking about the first Pixel.

First pixel has a headphone jack, though.