Default environment storage:
is the gold standard. It provides stable, optimized Linux distributions for H3-based boards like the Orange Pi PC. Mainlining Effort Allwinner H3 Firmware
Yes, the seek values matter. Sector 8 is the boot0 location. Default environment storage: is the gold standard
The H3’s power and thermal behavior depends on board design and firmware strategies: Allwinner H3 Firmware
These are "Just enough OS" distributions designed specifically to run Kodi (media center software).
dd if=spl/sunxi-spl.bin of=/dev/sdX bs=1024 seek=8 dd if=u-boot.itb of=/dev/sdX bs=1024 seek=40 # 40 blocks = 80 sectors