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Data roaming lets you surf the web, send and receive email, exchange text messages, and perform all the usual iPad activities while you’re outside of your usual cellular coverage area (and not on Wi-Fi, of course). It can be expensive, especially if your iPad runs up huge roaming bills by performing background tasks such as checking email.

To avoid these hidden charges, follow these steps to disable data roaming when you don’t need it:

1 Open the Settings app.

2 Tap Cellular. The Cellular settings appear.

3 Tap Cellular Data Options.

4 Tap the Data Roaming switch to Off.