I need to update my iPhone

laguna98 wrote:

I need a update for my phone

An iPhone SE currently running iOS 16 can be updated to iOS 17, as it is 2nd or 3rd gen.

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

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

The original iPhone SE, released by Apple 7½ years ago, cannot be updated beyond iOS 15.X.