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ipswd is a lightweight background service created by blacktop that exposes the functionality of the popular ipsw command-line toolkit through a persistent daemon process, allowing developers and automation systems to query Apple’s IPSW (iOS Software) firmware database without repeatedly spawning new CLI instances. Designed for continuous-integration pipelines, enterprise asset-management dashboards, and research environments that monitor Apple device firmware, the daemon listens on a local port and responds to REST-style calls that request metadata, download links, cryptographic signatures, or device-board identifiers for any iOS, iPadOS, tvOS, watchOS, bridgeOS, audioOS, or macOS restore image. Version 3.1.666, the current stable release, inherits more than two years of incremental improvements captured across 235 public builds, reflecting blacktop’s rapid iteration cycle that keeps pace with Apple’s weekly firmware releases. Because the service caches firmware lists and signature status in memory, downstream scripts can poll the daemon every few seconds without hitting Apple’s servers or exceeding rate limits, making it practical to mirror entire firmware sets or trigger regression tests the moment a new build is signed. The software is classified as a developer tool / system utility and runs unobtrusively on Windows, macOS, or Linux hosts, requiring only a single executable and a minimal JSON configuration file. Administrators typically launch ipswd as a systemd service, Windows service, or Docker container, after which it can serve an entire lab of devices or virtual machines. The program is available for free on get.nero.com, with downloads provided via trusted Windows package sources such as winget, always delivering the latest version and supporting batch installation of multiple applications.
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