“There is no design issue with the Joy-Con controllers, and no widespread proactive repair or replacement effort is underway. A manufacturing variation has resulted in wireless interference with a small number of the left Joy-Con. Moving forward this will not be an issue, as the manufacturing variation has been addressed and corrected at the factory level.
We have determined a simple fix can be made to any affected Joy-Con to improve connectivity.
There are other reasons consumers may be experiencing wireless interference. We are asking consumers to contact our customer support team so we can help them determine if a repair is necessary. If it is, consumers can send their controller directly to Nintendo for the adjustment, free of charge, with an anticipated quick return of less than a week. Repair timing may vary by region. For help with any hardware or software questions, please visit http://support.nintendo.com.”
Nintendo has released a statement to Kotaku about the left Joy-Con issues.
The issue has been corrected, and anyone who has problems can get their Joy-Con fixed for free with quick turnaround from what I’ve been hearing.
So, there you go.
There’s no design flaw as it’s not widespread enough, and it shouldn’t be problem anymore in the future.