QWE IoT OTA IoT Device Provisioning References https://barbaraiot.com/blog/importance-ota-updates-iot-devices/ https://medium.com/@temboo/how-to-approach-ota-updates-for-iot-d088c217b31c https://internetofthingsagenda.techtarget.com/feature/3-OTA-architectures-for-IoT-devices