How do I transfer data from one phone to another
I need to transfer my data from my old phone to my new one
iPhone 13 Pro, iOS 15
The whole process is described in Set up your iPhone, iPad or iPod touch
Make a backup from your old iPhone to iCloud.
Use Quick Start to transfer your settings to your new iPhone.
Let the App store download your purchased app to your new iPhone.
When it's finished you have nothing more to do other than sign in to (some) of your third-party services.