I can't stand small phones. I bought a OnePlus 5t (6" screen).
I had a OnePlus, but got rid of it because the screen was so big and tempting that I would just spend all day on the phone. The iPhone SE is small enough that I get frustated with using it after a while and spend less time on my phone.
Not smol enuff
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(https://i.imgur.com/IKZGGkU.jpg)
While a true warrior would just get the smallest phone available, I find that smart phones come in handy from time to time.
I think it would be better to use a small dumb terminal on your person somewhere that is slaved to a bigger tablet or laptop in your backpack or purse that hosts a bigger computer, a bigger battery and the LTE modem.
Then you could have an even smaller user device than this without sacrificing battery life, horsepower or a big screen for when you actually need one.
But then I would have to carry around a bigger device in my bag, which ruins the whole point of getting a smaller phone.