Too much data usage
I don’t understand why my iPhone uses too much data
iPhone 7 Plus, iOS 12
I don’t understand why my iPhone uses too much data
iPhone 7 Plus, iOS 12
As per Schilack’s suggestion check your Mobile/Cellular Data section, this may help.
Check the cellular data usage on your iPhone and iPad - Apple Support
As per Schilack’s suggestion check your Mobile/Cellular Data section, this may help.
Check the cellular data usage on your iPhone and iPad - Apple Support
Check option "Mobile Data" in Settings - you will know which app is responsible for that.
Too much data usage