[muppetman]

How would rooting your phone (to be clear: enabling the ability to "su" to root, thus giving you full power over your system) screw your camera/image quality? I totally understand flashing 3rd Party ROMs where they can't speak to the hardware as well.

[untog]

I'm not an expert, but it has something to do with rooting invalidating DRM keys. It was circumvented for the Z3C:

https://blog.al4.co.nz/2015/01/good-news-for-z3-compact-owne...

But it seems like it was a very deliberate choice by Sony.