Banana Pi BPI-R3 OpenSource Routerboard how to burn and test image

Banana Pi BPI-R3 Router board with MediaTek MT7986(Filogic 830),support Wi-Fi 6,2.5GbE SFP
MediaTek MT7986(Filogic 830) Quad core ARM Cortex A53+MT7531 chip design
Wifi 6 4x4 2.4G Wifi(MT7975N) +4x4 5G Wifi(MT7975P)
2G DDR RAM
8G eMMC flash
2 SFP 2.5GbE
5 GbE network port
Mini PCIe via USB
M.2 KEY-E PCIe inerface
Mciro SD card interfact
26 PIN GPIO
banana-pi.org/...

[@BobHenderson-dr2wy]

when you boot from SD card is there a writable overlay or do you have to install to NAND or EMMC to get a writable overly?

[@gaborzavarko7869]

You wrote in the video: "All jumper is low while bootup from NAND".... but the tables says that NAND is "High, Low, High, X"... so which one is correct?