Apple iPhone 15

Apple iPhone 15

iOS 18

iOS 18 iOS 17

My Apple iPhone 15 iOS 18 uses a large amount of mobile data

Cause 3 of 7: Your phone is set to high data usage

If your phone is set to high data usage, it will use a large amount of data when downloading and playing back high quality content, updating apps and more.

Solution: Set your phone to use less data.

Step 1 of 6

Find "Data Mode"

Press Settings.

Step 2 of 6

Find "Data Mode"

Press Mobile Service.

Step 3 of 6

Find "Data Mode"

Press Mobile Data Options.

Step 4 of 6

Find "Data Mode"

Press Data Mode.

Step 5 of 6

Select settings for data usage

Press the required setting.

Step 6 of 6

Return to the home screen

Slide your finger upwards starting from the bottom of the screen to return to the home screen.

1 Find "Data Mode"

Press Settings.

Press Mobile Service.

Press Mobile Data Options.

Press Data Mode.

2 Select settings for data usage

Press the required setting.

3 Return to the home screen

Slide your finger upwards starting from the bottom of the screen to return to the home screen.