This is the internal Apple model identifier for the iPhone 7 (Global/GSM version).
While the checkm8 hardware exploit is solid, the software wrappers used to deploy it often fail to account for every board variation ( d101ap included). If you encounter this, expect to spend a few hours digging through Reddit threads and GitHub repositories for a specific .dfu or .im4p file. Loader For Iphone9 3-d101ap Not Found
Force DFU mode (Hold Power + Home for 10 seconds, then release Power but keep Home for 8 seconds). This is the internal Apple model identifier for