If you are stuck and need to get your iPhone 7 back to a working state:
The tool may not have the specific configuration files for the iPhone 7's Global vs. GSM variants. Ensure the tool supports the (Global is Wrong Loader File: You may need to manually provide the DeviceTree
I’m running into a frustrating issue and hoping someone here has seen this before.
If you are trying to manually find firmware for your device (not recommended unless you're familiar with the process and risks):
# Install libirecovery brew install libirecovery
, as third-party loaders are not used in official Apple processes. Apple Support Are you using a specific tool
Locate the or Server Files configuration menu.