I performed the steps from post #4 combined with the instructions in post #11. The process went well, but had no effect on the problem. Content of the update.log file is as follows:

Code:
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The unit rebooted twice. I suspect this is normal, as it reboots once as instructed by the command in the update.txt file and reboots again on detection of a missing rgn41 (?).

Anything else I can try? How about the suggestion by Neil in post #8?