How to update my software to iOS 14

Hello, mariafe128.

Please see this support document about updating the software on your iPhone.

Update iOS on iPhone - Apple Support:

https://support.apple.com/guide/iphone/update-ios-iph3e504502/ios

Plug the iPhone in to its charger.

Go to Settings > General > Software Update

mariafe128 Said:

"Software update: How to update my software to iOS 14"

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Upgrading to Which Operating System?:

I see you've posted this in the macOS High Sierra forum. So is it Mojave (macOS 14) or iOS14.

Upgrading Past High Sierra:

If you want to upgrade past High Sierra, then your Mac must be compatible with Mojave and/or thereafter.

So, what's the Model of your Mac?:

To Find Out:

1. Go to: Apple menu
2. Select: About this Mac
3. View: second-line down
4. See if it is listed here: macOS Mojave - Technical Specifications - Apple Support

One of us will be correct. 😉