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Update your Joy-Con with Switch version 9.0.0 - Nintendo Everything
When Nintendo distributes a major firmware upgrade for Switch, it’s usually accompanied by a Joy-Con update. That is once again the case for version 9.0.0. You can update your Joy-Con by visiting system settings. Then scroll down to “Controllers and Sensors”, and navigate to “Update Controllers”. The process shouldn’t take more than a few seconds. Nintendo never actually says what’s...