All about performance (question)

Hi, I'm looking at this phone to potentially buy as the phone is the perfect size for me and I really like the look.I owned the z3c and loved it until I dropped it and blew the screen out. After going through an S6 and G4, I sold sold them for various issues with software and the size was still a bit large for my liking. I currently have an iPhone 6S and was surprised how fast it is and the size is really good. BUT, I prefer Android and have a warm spot for the compact line. My concern though as others I'm sure have as well is all of this talk about Sony not properly optimizing the handset and how it lags and stutters while scrolling. Seems unacceptable to release this kind of unfinished product. Seen and read videos and articles about people complaining the same things..so this is no fluke correct? I am very hesitant to buy this phone and would like to know from users their experience with software issues. I want this to be a discussion to help potential buyers like me, and I'm sure there are many concerned as I am about performance based issues before we buy. Thanks in advance!


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