I am trying to update my phone
I want to update my phone
iPhone 7 Plus, iOS 15
Question marked as
On your iPhone or iPad, go to Settings ➜ General ➜ Software Update.
click here ➜ Update your iPhone or iPad - Apple Support
Note: An iPhone 7 or 7 Plus cannot update beyond iOS 15. 15.8.1 is at the time of writing this the most current version it can update to. It lacks the hardware, RAM and CPU to run anything newer.