What to do with no frame ID?
You could have a check if the 2.4G network has been connected.
How about for there is an errror about the running system/system stopped?
You could turn off the frame then turn on again. Press the power button for 10s to reset the frame. And Follow the upgrading link to upgrade the frame.
https://www.amazon.com/clouddrive/share/6oHWdhHpdM89AqHMBHNDrwgCNvN6lTHIii7QnCM66qH