How do i delete everything from my new iphone and sync it with my old phone
How do i delete everything from my iphone 12 and sync with another phone?
iPhone 8 Plus, iOS 14
Question marked as
Back up your old phone first.
How to back up your iPhone, iPad, and iPod touch - Apple Support
Then erase the new phone in Settings>General>Reset>Erase all content and settings. Then transfer the data from the old phone to the new one. There are three different methods a that you can choose from.
Transfer data from your previous iOS device to your new iPhone, iPad, or iPod touch - Apple Support