RAK3172 DevEUI erased after firmware update to RUI3

Is there a way to update firmware from V1.0.3 to latest RUI3 without erasing DevEUI, AppKey and AppEUI? I know that I can set it manually after the update but it becomes problematic and time consuming on a larger scale.

Welcome back to RAK forum @Razdur ,

The base code of the legacy V1.0.3 firmware is different on RUI3. Sadly, there is no way at the moment to make it possible.

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