Article 6

Commission Regulation (EU) 2023/1670 of 16 June 2023 laying down ecodesign requirements for smartphones, mobile phones other than smartphones, cordless phones and slate tablets pursuant to Directive 2009/125/EC of the European Parliament and of the Council and amending Commission Regulation (EU) 2023/826 (Text with EEA relevance) · European Union

1. Manufacturers, importers or authorised representatives shall not place on the market products designed to alter their behaviour or properties when tested by Member State authorities performing checks on product compliance, in order to reach a more favourable result for any of the declared values of the parameters covered by ecodesign requirements included in this Regulation applicable at the time of the placing on the market of the products. This includes, but is not limited to, products designed to be able to detect they are being tested (e.g. by recognising the test conditions or test cycle) and to automatically alter their behaviour or properties in response and products pre-set to alter their behaviour or properties at the time of testing. 2. Manufacturers, importers or authorised representatives shall not prescribe test instructions, specific for when these products are tested by Member State authorities performing checks on product compliance, that alter the behaviour or the properties of products in order to reach a more favourable result for any of the declared values of the parameters covered by ecodesign requirements included in this Regulation applicable at the time of the placing on the market of the products. This includes, but is not limited to, prescribing a manual alteration of a product in preparation to the test that alters its behaviour or properties from the perspective of the normal use by the user. 3. Manufacturers, importers or authorised representatives shall not place on the market products designed to alter their behaviour or properties within a short period after putting the product into service leading to a worsening of any of the declared value of the parameters covered by ecodesign requirements included in this Regulation applicable at the time of the placing on the market of the products.

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Source: EUR-Lex (Cellar) · retrieved 2026-11-03 · Text as adopted (Official Journal); later amendments are not incorporated in this text.