Yes you simply “hard format” your new iPhone to the newest firmware available
Put iPhone in DFU, connect to pc and open iTunes
No idea, it’s a 15pm
https://preview.redd.it/ixmzft4goo1c1.jpeg?width=1290&format=pjpg&auto=webp&s=4055af85008c821fcef8564616545202b9042d3c
Yes you simply “hard format” your new iPhone to the newest firmware available