Well ive been using this phone from past 2 years, the major problem in this device is that it gets over heated when its recording mode is in 4k, I found that battery backup was good enough, it was the only best thing in this device, some times it hangs up, when doing multi tasking, the pictures taken by this device were okay but some blurness take place in some photos.so I think this is not a better phone.
The sound quality is also not good to the receiving side.the other main drawback of it was the charging point, we need to take that flip which is on the left corner, if keep on taking that flip it gets broken.overall ill never go for sony phones any time, this is my advice.dnt go for sony z3 compact.