Can I use the iPhone as just an iPod, without activating the phone?
iPhone, iOS 4
iPhone, iOS 4
iPhone 3G and iPhone 3GS
You can use any SIM card associated with the carrier that your device supports to activate the phone. Simply place a SIM card from the last carrier with which you used your iPhone into the device, and activate it. Then remove the SIM card. You can now use the iPhone 3G or iPhone 3GS as you would an iPod touch (Wi-Fi only, no cellular service).
Note: You can use the activated SIM card from your new iPhone to do this.
To re-activate an iPhone 3G or iPhone 3GS that displays the "Connect to iTunes" screen:
Insert a SIM card from the carrier with which you used your phone. Note: If you are using the same carrier, you can use the activated SIM card from your new device to do this. If your device is unlocked by your carrier, you can use any SIM card.
Connect the iPhone 3G or iPhone 3GS to iTunes on a computer connected to the Internet.
iTunes will then activate the device. You can remove the SIM card at this point and use the iPhone as if it were an iPod touch.
Original iPhone
To continue using your original iPhone without active cellular service, leave the inactive SIM card in place. You will be able to use the iPhone as you would an iPod touch (Wi-Fi only, no cellular service) as long as you keep the SIM with which it was last used, even if you update or restore the operating system of the original iPhone.
Activation for an original iPhone requires that its SIM card stays with that iPhone. If the original iPhone displays the "Connect to iTunes" screen, you can use that SIM card to re-activate the iPhone, regardless of whether that SIM has a wireless service account/tariff still associated with it.
Can I use the iPhone as just an iPod, without activating the phone?