Ios Update Iphone X. Make sure your device is plugged in and connected to the Internet with Wi-Fi. Continue by following the onscreen instructions.
Then, click "Download" and follow the onscreen instructions. In the window that appears with information on your iPhone, navigate to General (in Finder) or Settings > Summary (in iTunes). If an update is available, click "Download," and after it does, click "Update.".
If there's an update available, you'll see it listed.
Tap Download & Install and then follow any on-screen instructions.
In the window that appears with information on your iPhone, navigate to General (in Finder) or Settings > Summary (in iTunes). To download the update, go to Settings > General > Software Update. If you don't want Rapid Security Responses to be installed automatically, you can install Rapid Security Responses like software updates.