It has also called for Nintendo to offer a 'no-quibble' repair or replacement of all Joy-Cons that have developed drift since 2017, completely free of charge.

The organisation has called upon Nintendo to provide a compensation or refund plan for any UK consumers who can prove they purchased a replacement Joy-Con due to drift since 2017, and said that this scheme should be widely promoted. Which? also criticised Nintendo's handling of the situation and its response to affected consumers. The Eurogamer Newscast News Quiz of the Year 2022! In addition, dust and other contaminants were found in the Switch's internal components, despite attempts by Nintendo at dustproofing said areas. It is this wear that ultimately results in drifting.

The research found that the Joy-Con's plastic circuit boards showed noticeable wear on the joystick slider contact points, despite only being used for months.

A major new study from UK consumer group Which? has found evidence that the Nintendo Switch's infamous Joy-Con drift is likely caused by a mechanical fault, pointing to fundamental design flaws.