copy /b SH700iS_LRS13B7-f1.bin + SH700iS_LRS13B7-f2.bin SH700iS_LRS13B7-f1f2.bin
After concatenation, the command will vary based on device
=== SH700iS ===
Command:
assemble_f0.py -u -b 9 .bin output_dir
Example:
assemble_f0.py -u -b 9 SH700iS_LRS13B7-f1f2.bin SH700iS_LRS13B7-f1f2_out