Discussion of article H7S MultiBoot "How To" - installing multiple images in H7S's internal flash!:
QuoteThe Zgemma H7S has a large 4GB eMMC NAND flash, split into 4 major partitions — which means you can install up to 4 different images natively, with no extra "multiboot" plugin and no need to run images from a USB stick, provided the image itself supports it. Here's how.
Installing a new image (PurE2)
This assumes you've already installed PurE2 on the first/default partition in the usual way.
Download the other compatible images you want to try (OpenATV, OpenHDF, OpenSPA, etc.) to your PC — do…

