The error message typically occurs during a jailbreak attempt (such as with palera1n or checkra1n ) on an iPhone 7 Plus (internal identifier iPhone9,2 or iPhone9,4 with the d11ap board). This usually means the tool cannot find the specific "loader" or kernel components for your exact hardware revision in its local files. Troubleshooting Guide Verify Device and Firmware Compatibility Confirm your device is an iPhone 7 Plus . Check your iOS version in Settings > General > About .

It indicates that the tool lacks the specific bootloader or firmware component required for the iPhone 7 Plus (identified by the model identifier and board configuration Key Technical Context Device Identification specifically refers to the iPhone 7 Plus model equipped with the A10 Fusion chip

Try a different host machine / OS

You are trying to flash a firmware file that doesn't match the hardware's internal chip ID (CPID). Modified Hardware: