to further complete the issue, below the content of the JSON after trying it again, now using a MacBook
{“system”:{“wisToolBoxVersion”:“1.3.1”,“systemVersion”:“macOS 12.6”,“os”:“darwin”},“deviceInfo”:{“connectedAt”:“Sat Jan 28 2023 17:04:23 GMT+0100 (Central European Standard Time)”,“firmwareVersion”:“rak4630_RUI_3.5.3_RAK4631”,“modelName”:“WisBlock LPWAN Module for LoRaWAN”,“atVersion”:"",“modelID”:“rak4630”,“serialNumber”:“AT not support.”},“dfuInfo”:{“startDFU”:“Sat Jan 28 2023 17:05:42 GMT+0100 (Central European Standard Time)”,“targetFirmwareVersion”:“rak4630_RUI_3.5.3_RAK4631”,“BaundRate”:“115200”,“endDFU”:“Sat Jan 28 2023 17:05:45 GMT+0100 (Central European Standard Time)”,“upgradeProcessInfo”:[{“processStatus”:“SWITCH_DFU_MODE”,“timestamp”:“Sat Jan 28 2023 17:05:45 GMT+0100 (Central European Standard Time)”}],“upgradeStatus”:“FAILED”,“failReason”:"{“code”:258,“message”:“Error message for known response code from DFU target: Opcode unknown or not supported.”}"}}