Ios Update Iphone 7 Plus. Your device automatically updates to the latest version of iOS or iPadOS. To determine your iPhone model from the physical details, see the Apple Support article Identify your iPhone model.
Install Rapid Security Responses Click the device button in iTunes toolbar. Separately, Apple has also released updates. Tap Automatic Updates, then turn on Download iOS Updates.
Make sure your device is plugged in and connected to the Internet with Wi-Fi.
And: If your iPhone, iPad, or iPod touch won't update - Apple Support.
Open Settings app on your iPhone. Install Rapid Security Responses Click the device button in iTunes toolbar. Then follow these steps: Go to Settings > General > Software Update.