Graphics firm Nvidia has abandoned its planned $40bn purchase of UK-based chip maker Arm from its current owner SoftBank.

TheFinancial Timesreports that the sale, which would have givenNvidiacontrol over a company that makes chips for most mobile devices, has collapsed after a failure to convince regulators that it wasn’t anti-competitive.

Nvidia’s deal to acquire iPhone and Switch chip maker Arm has collapsed

Cambridge-based Arm’s chip technology is behind most mobile devices including iPhone, Samsung’s smart phones andNintendo Switch.

Nvidia’s announcement that it planned to buy Arm in September 2020 led to objections by such tech companies as Qualcomm andMicrosoft, who rely on Arm’s chip designs for various projects.

Nvidia’s deal to acquire iPhone and Switch chip maker Arm has collapsed

In a statement given toBloomberg, SoftBank said the two sides agreed to terminate the deal because of “significant regulatory challenges preventing the consummation of the transaction, despite good faith efforts by the parties”.

The US Federal Trade Commission sued to block the deal in December, arguing that it would give Nvidia too much control over chips used by many of the world’s largest tech companies.

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Following calls to ensure Arm remained in the UK, agovernment spokesmanpreviously said that any takeovers representing a threat to the country would be investigated.

Arm’s ex-presidenthad warned last August that the sale of the chip designer to another semiconductor company could put the wider tech sector “in jeopardy”.

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The cancellation had been expected for a while now, with a separateBloombergreport last month claiming thatNvidia was already planning to abandon the dealdue to frustration with the lack of progress over winning approval for the acquisition from regulators.

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