iPhone 4 - "No SIM Card Installed" - I had hoped this problem had gone away.

Anyone know of a solution? The last time I had an issue was in the first week after the iPhone 4 was launched. I have not had this happen since.  A restart usually kicks it back in, but as you can see from screen capture 3 and 4, it sometimes only lasts a few moments. I have found this: http://appletoolbox.com/2010/06/iphone-4-no-sim-card-installed-error/   & this string of comments is sitting as an "unanswered" question in apple discussions here: http://appletoolbox.com/2010/06/iphone-4-no-sim-card-installed-error/

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