Still something to be said about iPhone image quality. I just need to verify Huawei DNG files and see if there's anything special. But for street and travel snaps, this is quite enjoyable to use. And way good enough for social media. Of course, at some point I'll try to have a file printed out of curiosity.
Also, and we're "shaving seconds" here, the SIM tray on the P10 Plus pops out more smoothly versus my iPhone 6. Who cares right? But hey, it's the little things.
I plan to use the P10 Plus as a cam with only FB and an email account enabled leaving the rest to the iPhone. For now. I don't mind swapping SIMs a few times during the day.
I may visit Japan later in the year but not with family. Let's see 
Echi