Notes
How to extract a single partition from full firmware image
dd if=full_dump.bin bs=1 skip=$((0x40000)) count=$((0x10000)) of=single_partition.bin
where 0x40000 is the beginning address of the partition and 0x10000 is its length.
dd if=full_dump.bin bs=1 skip=$((0x40000)) count=$((0x10000)) of=single_partition.bin
where 0x40000 is the beginning address of the partition and 0x10000 is its length.