下载校验与命令行
MD5
0812c5e642ea38e19bbfe7fafa9f7d6f
SHA256
e14517c33c70b4b7cd4f2b1c770284eea242e9da0e3b86464fb7bcb8cae399ee
curl -O https://updates.cdn-apple.com/2025SpringFCS/fullrestores/082-44534/CE6C1054-99A3-4F67-A823-3EE9E6510CDE/UniversalMac_15.5_24F74_Restore.ipsw
# 校验文件完整性
md5sum UniversalMac_15.5_24F74_Restore.ipsw # 期望 0812c5e642ea38e19bbfe7fafa9f7d6f