The phone lasted a full day every single time, even when I was entirely using
cellular data throughout the day.
Even on days when I was on
cellular data throughout, I managed to get up to four hours of screen - on - time and overall battery life exceeding 20 hours.
The phone lasts an entire day most of the time, but there were instance — particularly when using
cellular data throughout the day — where the battery life wasn't adequate.
I easily got a day's worth of usage out of the 3400mAh battery consistently, even on days when I was using
cellular data throughout.
The difference is particularly noticeable when using
cellular data throughout the day — the Galaxy S9 + barely managed to last over 14 hours, whereas the Mi Mix 2S delivered over 20 hours of battery life.
Not exact matches
This means that speeds will remain the same
throughout the month, which is good, but not for unchecked
cellular data usage.