How to Upgrade an iPhone 3.0
- 1). Turn on your iPhone by holding down the power button until the screen lights up and enter your passcode, if required.
- 2). Connect your iPhone to your computer using a "Dock Connector" cable for USB ports.
- 3). Open iTunes on your computer. It can be either a PC or Mac.
- 4). Select your iPhone under "Devices" on the left side, then click on it.
- 5). Click on "Sync" in the bottom right corner of iTunes. Wait for a full synchronisation and backup to take place.
- 6). Click on the "Summary" tab. It is located under the "Now Playing" display for your iPhone.
- 7). Click on "Update" to check for updates.
- 8). Click on "Update" on the prompt message that pops up.
- 9). Click "Next" in the new window that pops up.
- 10
Click "Agree" to proceed with the update. The iPhone software update will then download and open when it has finished downloading. - 11
Wait for iTunes to update your iPhone. Do not attempt to use your iPhone or interrupt the update until it has completed and rebooted. - 12
Click on "Sync" again to complete a full sync of your now updated iPhone.
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