When the phone is stuck in a boot loop, download mode only, or black screen (Qualcomm HS-USB QDLoader 9008 mode on some variants), a full 4-file flash using Odin’s PIT (Partition Information Table) can resurrect it.
The largest file containing the primary Android operating system (OS) and user interface. sm-j710f firmware 4 files
Contains the essential files needed to start the device and its operating system. AP (Application Processor): When the phone is stuck in a boot