How to update the software on my Apple iPhone X using iTunes

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When new versions are available, you can update the software on your Apple iPhone X for extra features and better performance. Here, we show you how to update your phone using iTunes v12.5.1.21.
1. On your computer, start iTunes.
2. Connect your Apple iPhone X to your computer using the USB cable.
3. iTunes will automatically search for software updates. If prompted about a new version, click Download and Update.
4. Click Next.
5. Click Agree.
6. iTunes will download the software update.
7. The software update will then be applied to your iPhone.
8. Your iPhone will restart to complete the update.