If you're looking for a small Android flagship, Sony's fifth-gen Xperia 5 is mini in size but major in the camera department
Sony Xperia 5 V review: the Sony sweet spot
Sony Xperia 5 V In-depth Review – Better than the Xperia 5 IV? #SonyXperia5V
Sony Xperia 5 Review: the best camera to fit in your pocket? - PhoneArena
Sony Xperia 5 V review: Camera, daylight photo quality
Exploring the Sony Xperia 5 V Specs and Features
Sony Xperia 5 V review: Saved by the camera
Sony Xperia 5 V Review: Mixing Brilliance With Inconvenience - Tech Advisor
Sony Xperia 5 II review: Perhaps Sony's best phone yet
Data points: Sony Xperia 5 iv imaging versus iPhone ProRAW