When I update to iPhone iOS 12, the system takes up 20 gigabytes of capacity, so why?

I updated it to iPhone iOS12,

I don't use much, but it seems to take up a lot of capacity, so I checked that the system accounts for about 20 gigabytes of memory, but the system eats 1/3 of it alone.

What is this?

Is the iOS12 as much as 20 gigabytes?

2620 2018-10-01 Gentleman

popular Do oats also have side effects?

A. 1

I'm using iPhone SE, but I'm eating close to 20G
I don't know why

Gentleman 6 years ago 0

A. 2

I get about 10 gigabytes

Gentleman 6 years ago 0

A. 3

I guess you really eat that much
Is there anyone who knows why?

Gentleman 6 years ago 0

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