下载校验与命令行
MD5
1176e28cc9d3520d1ce427e9d32bdebd
SHA256
f52562049182547ca503070e00a0f00db0687a8ac486fa45776e418fab438718
curl -O https://updates.cdn-apple.com/2020SummerFCS/fullrestores/001-46593/C14071E2-8D3F-4D30-B538-7CB9C1A01886/iPhone_4.0_64bit_14.0_18A373_Restore.ipsw
# 校验文件完整性
md5sum iPhone_4.0_64bit_14.0_18A373_Restore.ipsw # 期望 1176e28cc9d3520d1ce427e9d32bdebd