IMPACT IoT firmware upgrade call flow
This section details firmware upgrade on LWM2M clients that support OBSERVE/NOTIFY function of LWM2M specification, especially on State and UpdateResult resources of the Firmware object.
![](../images/state_flow.png)
This section details firmware upgrade on LWM2M clients that support OBSERVE/NOTIFY function of LWM2M specification, especially on State and UpdateResult resources of the Firmware object.