Device Guides

Apple iPhone 15 Pro Max

iOS 17

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My mobile phone uses a large amount of mobile data

This troubleshooting guide will take you through a number of possible causes to help you find a solution to your problem.

Possible cause 5:

Automatic mobile data usage is turned on: Turn off automatic use of mobile data.

List view

1. Find "Mobile Service"

Tap Settings.

Tap Mobile Service.

2. Turn Wi-Fi Assist on or off

Tap the indicator next to "Wi-Fi Assist" to turn the function on or off.

3. Return to the home screen

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

Step 1 of 4

Tap Settings.

Step 2 of 4

Tap Mobile Service.

Step 3 of 4

Tap the indicator next to "Wi-Fi Assist" to turn the function on or off.

Step 4 of 4

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

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