: This is the internal Apple model identifier for the iPhone 7 (GSM model/A1778) .
are you currently using when this error pops up?
You are using an older version of a third-party tool (like 3uTools, FutureRestore, or a legacy jailbreak utility) that does not include or no longer supports the specific local asset files for the iPhone 7 GSM.
The error means your software is looking for a file named something like loader_iPhone9,3_d101ap or a folder containing patches for this exact hardware profile, and it is missing from the software's directory. Common Causes of the Error Loader For Iphone9 3-d101ap Not Found
You are using an older version of a jailbreak or bypass tool (like checkra1n, Palera1n, or custom ramdisk tools) that lacks the specific files for the GSM iPhone 7.
Temporarily disable or your third-party antivirus software.
It is important to note that this error often appears alongside another common issue with the iPhone 7: : This is the internal Apple model identifier
The iPhone 7 is prone to a design flaw where the Baseband CPU (the chip responsible for cellular service) loses connection from the logic board.
The most frequent culprit is using an outdated or incompatible version of the Checkra1n jailbreak tool. The checkm8 bootrom exploit used by Checkra1n is powerful, but the tool requires regular updates to support newer versions of iOS and to fix bugs specific to certain hardware revisions (like the d101ap board).
are you trying to accomplish (e.g., jailbreaking, bypassing, or downgrading)? The error means your software is looking for
: Using "loaders" and "ramdisks" often involves disabling security features like SIP (on Mac) or installing unsigned drivers (on Windows). Only use reputable tools to avoid malware.
before connecting to iTunes or a Mac to force a clean installation. Professional Inspection
Apple uses internal identifiers for every device model. corresponds specifically to the iPhone 7 (Global/GSM model) .