These files often contain malware or modified system files that will brick your phone.
But until the law (or the bootrom) changes, the only real unlock hub is the one you build yourself—with archived blobs, a compatible device, and zero trust in shady links.
You might be tempted to click the first on Google, but beware. Security researchers have found that over 70% of third-party “unlock hubs” contain malicious software.
For legitimate troubleshooting or manual updates, you should only use verified sources:
Another platform providing direct download links that redirect to Apple's servers for authentic files