Update your Azure Sphere OS from 4.2.1 to 18.11 before January 15, 2019
Azure Sphere development kits became available in September of 2018. I had pre-ordered one and received it very quickly from Seeed Studio. I even wrote up my first impressions of it here.
On November 5 Microsoft announced that there was an OS update coming for the Azure Sphere development board the week of November 12.
After the release of 18.11, we encourage you to upgrade your device OS and SDK as soon as possible. After the release, devices that run the TP 4.2.1 release won’t receive any OTA updates for either device or application software. However, device authentication and attestation will continue to work to authenticate to Azure IoT Hub. TP 4.2.1 will continue to be supported until January 15, 2019. Thereafter, devices that are running the TP 4.2.1 OS won’t be able to authenticate to Azure IoT Hub.
Along with the change to the OS version naming, new Features were detailed here in the release notes;
The upgrade process is manual from 4.2.1 to 18.11. The details are described in the update section of the release notes here. Essentially the process is;
With the updated SDK installed, running the commands was quick and successful.
You’ve got 10 days left to update your Azure Sphere OS before it will no longer be able to connect to Azure IoT Hub. The update is quick and painless (unless you have dozens to update).
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