If you have an OLED screen, it likely has some burned-in pixels on it, known as a screen burn-in

 iCloud Bypass  2021any iPhone any ios without jailbreak  with local server    windows CMD one click

iCloud Bypass  any iPhone any ios without jailbreak  with local server pc   just one command cmd 

install xampp server  

put file server in C:\xampp\htdocs 

run xampp 

use command  

ideviceactivation activate -d -s   http://127.0.0.1/server1/Activate.php

server file download Download