Why nobody talks about the heavy disadvantages for customers?
They purchased an iPhone 7/8 (or plus) with an average battery time.
Since iOS 12.x this battery time is shortened obviously between 40% up to 60% (depending on the way of use)
– and NOBODY CRIES! 
I wait till this "battery gate" is driven to surface – a big wave...
So we understand better the battery replacement program of 2018
They purchased an iPhone 7/8 (or plus) with an average battery time.
Since iOS 12.x this battery time is shortened obviously between 40% up to 60% (depending on the way of use)
I wait till this "battery gate" is driven to surface – a big wave...
So we understand better the battery replacement program of 2018