… iPhones” under the iPhones tab in iTunes Preferences is selected. iPhone 3G Carrier Troubleshooting Guide … Power On Press the Sleep/Wake button, or Home button and slide the Unlock .. Headset jack Receiver Ring/Silent switch Camera(on back) SIM card tray Volume buttons Touchscreen Speaker Dock connector Home button Sleep/Wake button Microphone Application icons Status bar What You Need To use and test iPhone, you will need the following:• A wireless service plan with the carrier that provides iPhone service in your area.

iPhone System Requirements These are the minimum system requirements for a customer to use iPhone: • A wireless service plan with the carrier that provides iPhone service in your area. • A Mac or a PC with a USB 2.0 port and one of the following operating systems: -Mac OS X version 10.4.10 or later. -Windows XP Home or Professional with Service Pack 2 or later. -Windows Vista Home, Premium, Business, Enterprise, or Ultimate edition. • Display resolution on your computer set to 1024 x 768 or higher • iTunes 7.7 or later, available at www.apple.com/itunes . • An Internet connection (broadband recommended). Inspection for Debris or Corrosion in Ports Debris or other contamination could prevent proper function, connection, charging, or testing and should be removed if possible. Use a lighted otoscope or lighted magnifying glass to check the: • Dock connector • Headset jack • Speaker opening • Microphone opening Important: Corrosion indicates exposure to liquid and is not covered under warranty. If debris or contamination is from an external cause, any resulting non-operation, malfunction, damage, or cosmetic damage is also not covered under warranty. Examples : Clean, no debris, contamination, or corrosion Corrosion (original iPhone shown) Lint Note: Lint or other foreign debris should be removed with a compressed-gas duster, and if needed, an anti-static brush and or anti-static tweezers, before connecting cables. Visual Inspection A visual inspection is performed before troubleshooting to protect test cables and identify conditions and potential causes that may affect warranty coverage. Liquid Submersion Indicators iPhone 3G has two liquid submersion indicators: one in the headset jack and one in the dock connector. If needed, first clean the headset jack and dock connector (see procedures), then use a lighted Otoscope or magnifier to inspect both indicators. Headset jack: The bottom of the headset jack is normally a white or a silver metallic color. If the iPhone has been submerged in liquid, a red or pinkish color appears across half of the indicator. Triggered Liquid Submersion Indicator Not Triggered Dock Connector: To check, hold the iPhone so that you can point the lighted otoscope or magnifier at an angle to view the center of the bottom inside face of the dock connector port opening (not the connector pin rail). The indicator is white, and oval shaped. If the indicator has been exposed to liquid, the indicator will turn red, as shown at right.

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