下载校验与命令行
MD5
8aaeb526a1057218e164fafd3c7412f2
SHA256
da2a9e331cc10d9cd333cb2511d1d38b68488826171e1c0c4277a6c1f2e37818
curl -O https://updates.cdn-apple.com/2023FallFCS/fullrestores/042-96757/63639235-4D14-4C10-BB2A-766FF8857FC3/iPhone15,4_17.1.1_21B91_Restore.ipsw
# 校验文件完整性
md5sum iPhone15,4_17.1.1_21B91_Restore.ipsw # 期望 8aaeb526a1057218e164fafd3c7412f2