User Guide

Chapter 3 Phone 45

Unpairing a Device from iPhone

If you’ve paired iPhone with a device and want to use another device instead, you

must unpair the rst device.

Unpair a device:

1 In Settings, choose General > Bluetooth and turn Bluetooth on.

2 Choose the device and tap Unpair.

International Calls

iPhone is a UMTS/HSDPA (850, 1900, 2100 MHz) and a GSM (850, 900, 1800, 1900 MHz)

phone, ensuring broad international coverage.

Making International Calls from Your Home Area

For information about making international calls from your home area, including rates

and other charges that may apply, contact your carrier or go to your carrier’s website.

Using iPhone Abroad

You can use iPhone to make calls in many countries around the world. You must rst

enable your carrier’s service plan for international roaming.

Enable international roaming: Contact your carrier.

Set iPhone to add the correct prex when dialing from another country: In Settings,

tap Phone, then turn International Assist on. This lets you make calls to your home

country using the numbers in your contacts and favorites, without having to add a

prex or your country code.

Set the carrier to use: In Settings, tap Carrier, then select the carrier you prefer. This

option is available only when you’re traveling outside your carrier’s network. You can

make calls only on carriers that have roaming agreements with your iPhone service

provider. For more information, see “Carrier” on page 103.

Important: Voice and data roaming charges may apply. To avoid data roaming charges,

turn Data Roaming o.

Turn Data Roaming on or o: In Settings, choose General > Network and turn Data

Roaming on or o. Data Roaming is turned o by default.

Turning Data Roaming o helps to avoid data roaming charges when traveling outside

your carrier’s network by disabling data transmission over the cellular network. You can

still access the Internet if you have a Wi-Fi connection. If Wi-Fi network access is not

available, however, you cannot:

Get visual voicemail Â

1 Not available in all areas.