3 
ubus call system board
{
        "kernel": "5.15.167",
        "hostname": "OpenWrt",
        "system": "ARMv7 Processor rev 5 (v7l)",
        "model": "Test Myboard",
        "board_name": "test,myboard",
        "rootfs_type": "ubifs",
        "release": {
                "distribution": "OpenWrt",
                "version": "23.05.3",
                "revision": "r23809-234f1a2efa",
                "target": "imx/cortexa7",
                "description": "OpenWrt 23.05.3 r23809-234f1a2efa"
        }
}