The HTC One X is a damn good phone. Unfortunately, the One X's overall quality seems not to have been incorporated into HTC's quality control - already there have been reports of bothersome game lag, and now XDA user bigoliver has shed light on an even more grave concern: the WiFi antenna has been acting up on many devices.
XDA also lists countless other videos to prove the point
As demonstrated in the video, finding out whether your One X is affected is simple:



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