Question: how to transfer all data from iphone 10 to iphone 11?
Answer: Firstly connect your iPhone 11 to iTunes and click on the device icon. On the middle of the panel, you will see a Restore backup option. Simply click on the button to restore an iTunes backup to your iPhone 11/11 Pro. But you should keep in mind that restore a backup to your iPhone 11 will erase all existing data.