After calling support this was the fix: - The devices are not able to complete the firmware upgrade (from 1.9 to 1.11) due to a corrupted firmware. - So the MG tries to upgrade and fails. After some minutes they try again. - In the dashboard we don't see any alerts and the MG is "Up to date" showing 1.11, but support told us that 1.9 is still running - To resolve this issue, we have put the MG21E in a safe mode, connect them to working internet modem and complete the firmware update before reverting to the operational mode Maybe you have the same issue and this help.
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