China’s cyberspace regulators on Thursday summoned Nvidia over security concerns that its H20 chips can be tracked and turned off remotely, the Cyberspace Administration of China said on its website.

China’s internet regulator flags potential tracking risks, casting uncertainty over chipmaker’s sales prospects in the country

While Nvidia has been given assurances by Washington that it will be allowed to resume exports of its made-for-China H20 general processing units, the AI chips may be met with increased scrutiny from

Apple reported strong iPhone sales and rebound in revenue from China, giving a much-needed boost to two parts of the company’s business that had struggled over the past year.

Sales of the iPhone have fallen to the lowest level for three years after Apple’s popularity dropped in China and as shoppers wait for new models. Apple recorded an 1pc drop in quarterly iPhone revenues on Thursday night to $39.

Apple Inc. reported its fastest quarterly revenue growth in more than three years, easily topping Wall Street estimates, after demand picked up for the iPhone and products in China.