How can I update my iPhone?

kofi78 wrote:

Help me to update my phone

Which iPhone (iOS) model do you have?

Here are the models that can get to iOS 17; to the current version:

Here is how to: Update your iPhone or iPad - Apple Support

And then what to do: If your iPhone or iPad won't update - Apple Support

Older iPhone models can be updated to specific older iOS versions, and which version depending on which iPhone.

Which iPhone do you have, and what is the iOS version running? (Settings > General > About has this info)

There are two ways to update your phone. You can use WiFi to update or use a computer running iTunes or by using the Finder on a Mac running Catalina later.

Take a look at this. If you need more help, post back.

Update your iPhone or iPad - Apple Support