I want to update my iPhone

Turn on automatic updates

Go to Settings > General > Software Update.

Tap Automatic Updates, then turn on Download iOS Updates.

Turn on Install iOS Updates. Your device will automatically update to the latest version of iOS or iPadOS. Some updates might need to be installed manually

Update iOS on iPhone – Apple Support (UK)

wonder289 Said:

"I want update my i ip"

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Updating an iPhone:

Update Using a Computer:

Have a Computer Handy? If so, try using a computer to update. Go here: Update your iPhone Using a Computer - User Tip. If any updates are availabe, they will install, sure enough.