You have to fill in an online form. Go to support.nintendo.com, choose your country, and search for the page about joycon drift — e.g. in the UK it’s https://ww

You have to fill in an online form. Go to support.nintendo.com, choose your country, and search for the page about joycon drift — e.g. in the UK it’s https://www.nintendo.co.uk/Support/Nintendo-Switch/Troubleshooting/Joy-Con-Control-Sticks-Are-Not-Responding-or-Respond-Incorrectly-responsiveness-syndrome-or-so-called-drifting--1908347.html https://www.nintendo.co.uk/Support/Nintendo-Switch/Troublesh....