How can I update my iPhone
How can I update my iPhone now
How can I update my iPhone now
Without more information, no one here can help you.
Which iPhone do you have?
What happens when you try to update?
~Lyssa
Without more details in your question, iPhone updates are found in Settings/General/Software Update.
You can also “update” your iPhone by purchasing a newer model :)
But, seriously, more details are needed in your question to understand what exactly you’re asking and what you’ve tried.
How can I update my iPhone