Well, at least make sure you are not using Chrome, then (if you value stability).
Firefox has been installed, but I cannot say it has changed anything.
I have worked every angle suggested from numerous sites, posts, etc. At this point I do not see why Google is not aggressively pursuing a fix (instead of sending replacements) for their flagship device when there are so many of us. I read a review of this device where the reviewer's device locked up and rebooted on him during his testing. I would think you would place a high priority when potentially favorable press finds the same issue.
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