LINK FOR FIRST VIDEO THAT SHOWS THE STEPS :
How to install iOS 14 :
https://youtu.be/qeKB-LjcGjs
Downgrade from iOS 14 :
https://youtu.be/o1Ty2T1OGnc
How to install iOS 14 :
https://youtu.be/qeKB-LjcGjs
Downgrade from iOS 14 :
https://youtu.be/o1Ty2T1OGnc