Please restore your device before jailbreak
(14.7.1)
Do not click INSTALL on iTunes Popup "A software update require..." ❗❗❗
click Not Now on that
if you already did Install, you have to restore your Macbook!! cz it's broke your checkrain
If you need Full bypass with iCloud
it cost 13$ for iPad
10$ for iPhone wifi only
20$ for iPhone GSM