I have seen this behavior in some of my MX65's. The Cloud Dashboard says it's up to date but the device UI says it's only at 25%. I was successfully able to bring one device back to solid white LED after holding in the reset button for approximately 10 seconds or until the LED turned solid amber. Once it reloaded, the LED was solid white and the device UI no longer had the 25% upgrade firmware status. This was done in the office. I have not yet tried that in the field.
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