Scripts that help mount custom ramdisks onto the iOS device to modify root files before the main operating system boots. Why Do Developers and Users Need It?
Integrated checks to match local SHSH2 blobs against Apple's signing servers or custom server emulators.
restoretools/ ├── cmd/ # CLI entrypoints │ ├── apply/ # Main restoration command │ ├── verify/ # Integrity verification │ └── extract/ # Partial restore ├── pkg/ │ ├── archive/ # Archive reader/writer │ ├── checksum/ # SHA256, MD5 verification │ ├── manifest/ # Backup manifest parser │ └── audit/ # Logging & telemetry ├── internal/ │ └── validator/ # Pre‑flight checks └── configs/ # Example restore policies restoretools pkg
The crown jewel of the package, PurpleRestore is Apple’s proprietary internal tool used for flashing custom and non-retail IPSW firmware. It provides exhaustive granular customization options during a restore sequence, such as preserving baseband signatures, skipping validation steps, or embedding specialized system parameters. 2. PurpleSNIFF and PurpleFAT
version: v1 source: s3://my-backups/latest.tar.gz target: /srv/app integrity: algorithm: sha256 expected_hash: "e3b0c44298fc1c149afbf4c8996fb..." pre_flight: disk_space_mb: 1024 required_bins: ["tar", "gpg"] restore_strategy: "overwrite_if_newer" post_hooks: - "systemctl restart app" Scripts that help mount custom ramdisks onto the
While the average user should stick to official channels, there are distinct scenarios where command-line or advanced package restoration becomes necessary: 1. Enterprise Deployment and MDM Setup
Within the tool (such as FactoryRestore or PurpleRestore), settings are toggled from "Retail" to "Internal" or "NonUI Internal". The user points the application to a dedicated decrypted system bundle. restoretools/ ├── cmd/ # CLI entrypoints │ ├──
. Unlike consumer-facing utilities like iTunes or Finder, which process standard firmware updates, RestoreTools.pkg bypasses retail software locks. This grants deep access to system partitions, non-production bootloaders, and development environments.