As of April 2026, is no longer being signed by Apple for the iPhone X (Global) . This means you cannot install it using standard methods like iTunes or Finder, as Apple's servers will refuse to authorize the installation. 1. Firmware Details Device: iPhone X (Global/GSM+CDMA) Model Identifier: iPhone10,3 Build Number: 19B74 Release Date: October 25, 2021 Signing Status: Unsigned (Installation blocked by Apple) 2. Official Download Links

While you can still download the firmware files from third-party repositories, they cannot be used for a standard restore: