If you are using , Checkra1n , or Odysseus , the most common cause is an outdated version of the software. Developers frequently update these tools to include the latest "manifests" and "loaders."
The loader is usually extracted from the official Apple firmware (.ipsw). If you are trying to restore to a version of iOS that is no longer signed, or if you downloaded the (Global) firmware instead of the iPhone9,3 (GSM) firmware, the tool will fail.
Check a "SEP Compatibility Chart" (usually found on the r/jailbreak subreddit). If the current iOS SEP is not compatible with your target iOS version, the loader will often fail to initialize. Step-by-Step Recovery Strategy loader for iphone9 3d101ap not found
If you are using the command line, ensure you are specifying the --buildmanifest path correctly. If using a GUI, try re-extracting the IPSW or using the "Download Latest Manifest" option if available. 4. SEP and Baseband Incompatibility
This is the internal model identifier for the iPhone 7 (specifically the GSM model). If you are using , Checkra1n , or
If you are a power user using FutureRestore, you can use the -i or --ibss and --ibec flags to manually point the software to the loader files extracted from the IPSW.
Ensure you are using the latest "Fork" of FutureRestore (the marijuanamartin or futurerestore-gui versions are currently popular in the community). 2. Incorrect IPSW File Check a "SEP Compatibility Chart" (usually found on
This is the board configuration code for the iPhone 7.