“idevicerestore -e gives loader error.” Solution: The user compiled idevicerestore from source without the --with-loader-path flag. After recompiling with ./configure --prefix=/usr --with-loader-path=/usr/share/idevicerestore , the loader was found. Lesson: Compilation flags matter.

The error essentially means the software you are using (likely a specialized tool like Checkra1n, PurpleRestore, or a third-party bypass utility) cannot locate the specific bootloader or iBEC file required to communicate with the D101AP logic board.

: A faulty Lightning cable, a bad USB port, or using a USB hub can interrupt the data transfer required for the loader. Software Incompatibility

Apple’s internal model numbers (like iPhone9,1) correspond to the iPhone 7 (TSMC A10 Fusion). This device is notable for having the , which allows permanent unpatchable jailbreaks. Thus, any custom loader targeting “iPhone9” likely leverages checkm8.

sudo killall usbd sudo systemctl restart usbmuxd

: If the tool needs to fetch the loader from the internet, ensure your firewall or third-party security software isn't blocking the connection to Apple's update servers. Switch to Recovery Mode