basically
SorterOS Setup
Configure the image for your Orange Pi before flashing. Nothing is uploaded to a server. Everything is done locally in your browser.
Select the SorterOS image you want to customize before flashing.
No file chosen
The device name on your network, such as sorter.local.
The exact name of your Wi-Fi network. Optional if you plan to use Ethernet.
Leave this blank only if the Wi-Fi network is open or you are using Ethernet.
Optional. Adds your public key for password-free SSH access after first boot.
The second button uses the browser file system API and will ask for write access.