Want to know how to update the software for iPhone 4? Easily perform an iPhone 4 upgrade with these easy to follow instructions.
Syncing iPhone 4 to the Computer
Before you can complete an iPhone 4 upgrade you’ll need to sync your iPhone to your computer. In order to successfully sync your iPhone to your computer you’ll need a USB cable for your iPhone and the most current version of iTunes installed on your computer. Plug the USB cable into your computer and connect it to your iPhone 4. iTunes should automatically open when your iPhone 4 is connected to the computer. If it doesn’t, open iTunes and allow your phone to sync to the computer. Click the link above if you need step by step instructions about how to sync your iPhone to the computer.
Checking for iPhone Software Updates
If you don’t stay up-to-date with tech news, how are you supposed to know when an iPhone 4 upgrade is available? Easy! Syncing your phone regularly will check for iPhone software updates automatically. Once plugged in to your computer, iTunes should open. If an iPhone update is available, the following screen may pop up:

If the pop-up window does not appear, this does not necessarily mean that no software update is available. iTunes is to regularly check for updates, it will seek an update every time you synchronize. Manually check for updates before the list next time, you must synchronize your phone and open iTunes can. Choose your device on the left side of the screen. In the “version” of the center of the screen you can update check. The same section will also tell you if iTunes is set, automatically check for an update again. To check, before the date just press which listed “check for update” click. When iTunes detects that a new iPhone version is available, it will change on the screen below:

Steps for iPhone 4 Upgrade
After checking for new iPhone 4 updates, completing the updates be easy. While still on the computer, press “Update” synchronized. If you the pop-up box notified that an update is available, press “Update” directly out of the box. If you check box for an update from iTunes and found a new iPhone software version available, then press “Update” from the iTunes list for your device. Once directed to update iTunes your iPhone 4, the following confirmation box opens you:

Press “Update” again to confirm the iPhone software upgrade. As soon as “Update” is selected from the confirmation box, iTunes will automatically take your phone through the steps to perform the software update. You will see the following screen appear first, notifying you that iTunes is preparing your phone for the update and extracting the current software version:

When this step is complete, iTunes will then begin installing the newest iPhone version available. The following screen will appear:

You will need to wait several minutes while iTunes restarts your device and installs the newest iPhone upgrade. When the update is complete, your device will automatically sync to the computer again. After the sync is complete iTunes will tell you that it is safe to disconnect your device. You have updated your iPhone’s software and may now disconnect from your computer. You iPhone 4 upgrade is as easy as that!
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