Mobile Phone Transfer tool [coolmuster.com] can help us transfer data from iPhone to Xiaomi Redmi Note 7 directly from computer via usb cable or wifi connecting. Usually, data like contact, text messages, books(pdf&epub),music, videos, photos can be easily transferred from iPhone to Xiaomi Redmi Note 7. You just install the tool on your pc, start it. Connect both of them to computer. A deep scan later, you can do the data transfer directly.
https://www.coolmuster.com/uploads/image/20170802/iphone-to-android1.jpg