If some people have a wifi problem and some don't, then the software might not be the one responsible. I quoted an article in post #374 that listed the components and also said:
Quote:
Analysts recommend caution in drawing conclusions from the teardowns because Cupertino, California-based Apple sometimes uses more than one supplier for a part. What is found in one iPad may not be found in others.
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It is possible that Apple purchased wireless modems for wifi from more than one company.