Nintendo hasn't officially made a response about the left JoyCon disconnection issue, but here's what a Switch FAQ says: Is it possible that radio wave interference could be disrupting the console?

The left JoyCon may have a faulty Bluetooth 3.0 ratio or a bad battery that loses charge, however the outlets don't seem to reporting the latter. But I'm wondering if this has something to do with ...

The company has addressed hardware concerns about the left JoyCon controller. Comments. Technology. Jeff Parsons Tech/Science reporter. 15:10, 23 Mar 2017 Updated 16:49, 23 Mar 2017.

It feels natural to use the left JoyCon’s analogue stick to move the map around, just like using the WASD keys on a PC, while the analogue stick on the right JoyCon lets you zoom in and out when ...

The Switch left JoyCon's sync issues have been so bad for me that I can't play Zelda on my TV with it - using the pro controller instead.February 23, 2017.

Players having issues with the Nintendo Switch's left Joy-Con might be unhappy to learn that the problems might stem from a manufacturing fault inside the device.

So can anyone tell me which is the antenna on the right joycon? For a very dumb reason, I now have a semi-broken right Joy-con, so if I could repurpose some of its internals for a better left ...

If you, like me and several other Kotaku staff, have run into a consistent left Switch JoyCon signal issue, don’t worry: Nintendo says it’s not in fact a hardware problem, but a ...

The result is a device where the thumb operates the left JoyCon, while the other four fingers handle the right. It looks a bit tricky at first, ...

Nintendo has spoken, claiming issues relating to Left JoyCon connectivity are not the result of a “design issue,” but actually a simple case of “manufacturing variation”.

Even when left alone, a “drifting” controller’s stick will act as if it’s being moved in a random direction. At best, it’s annoying; at worst, it’s actively detrimental to gameplay.