Communication is at the core of any network. SDKs are meant to establish your device-cloud and cloud-device communications. SDK Deep Diving will introduce you to a variety of device authentication methods. It will also familiarize you with how OTA and firmware updates work in IoTConnect and how IoTConnect ensures device security or provides edge support. To utilize IoTConnect SDKs at its best, it is recommended to go through the below articles before you start implementing them.
SDK Deep-diving