What cons do you feel it has
Cons:
Display brightness - I had it on 55% on my N7. I have to have it around 80% to be even close to where it was with the Note. I like bright screens and hate to have to compensate on the level just to extend battery life, however with the N7 I didn't have to. With the V20 I need to raise the brightness level to get it where the Note's was.
Camera lag/overexposure in auto mode - HDR on produces short lag (like half a sec- but again, I unfortunately am comparing everything with the old Note. How can I not when I went through 2 of them in a matter of a couple weeks. Bright areas get washed out in auto mode- I played with manual mode and got much better results, however if I want the quick shot, I will use Auto mode.
Unable to set a schedule on "comfort mode" - or night mode as we know it as. I have to manually turn this on and off when I want it. Also, the tint is more greenish to me rather than an orangey color.
Battery could be better. Right now I'm at 58% and I have 1 hr 28 minutes of screen on time. I am averaging around 3 hours 10 minutes- so this is right on par. I have zero clue how people manage to get 5 or 6 hours of SOT unless they charge during the day and include that time going forward with their screen on time.
Pros:
Idle time. Phone is very good at maintaining battery level when not being used. I like that a lot. Unfortuantely, it's still a new phone so I'm constantly touching it. lol That doesn't help with the battery.
Video stability - pretty smooth while walking or attempting to track my 5 year old future track star daughter. Does a good job.
Display clarity - quad HD- enough said
Very snappy and responsive. Overall a more fluid and snappier experience than my Note. Opening apps, etc is very fast. One thing I did notice was that occasionally my app drawer delays in displaying the apps, but once it's opened it opens very quickly going forward. Didn't know the drawer was a cached process. Opens flawlessly when using Nova or the Pixel launcher. Just lags occasionally with the stock launcher.
UI - you like it or don't like it. I like the customization level (I added a dedicated screen shot button on the bottom), but am not real crazy about the stock icons. The pro is that you can change them very easily if you want to. Nice touch.
DAC - Awaiting my B&O headphones to see the true difference, and not just a placebo effect with my Sammy headphones plugged in. Sounds good though.
Feels good to hold - even though I have a Spigen case on it now (paranoia about the camera lens has set in, so I use a case). I used to raw dog it with all of my phones until the Note7 - and the scratch video came out from JerryRig that made us all crazy). Welp, he's now made me paranoid about the camera lens. Case should help but the naked phone is very nice to hld. Smooth, cool edges.
Hope that helps.