関連ワード:  how much data does iphone update use    how much data does ios update use    how much data does apple update use    how much data does iphone update take    how much data does iphone software update use    how much data does ios 18 update use    how much data does ios 17 update use    how much data does ios 15 update use    how much data does ios 16 update use    how much mobile data does ios update use