Device guides for

Apple iPhone 4 (iOS4)

Most searched guides

Choosing a network for my mobile phone Using the music player on my mobile phone Diverting calls to my voicemail Turning data roaming on my mobile phone on or off

Getting started

Basic functions

Calls and contacts

Messaging

Office and leisure

Connectivity

Global online services

Troubleshooting

Specifications

Activating my mobile phone

If you've restored your mobile phone, you need to reactivate it. Once done, you can use your mobile phone again. Remember, you need to install iTunes on your computer before you can activate your mobile phone. You can download the program from www.itunes.com.