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Ahead of the "super-premium" iPhone X launch in South Korea, regulators have reportedly raided Apple's offices in Seoul.
According to a report in London-based Metro late on Thursday, the raid was likely to raise questions about whether South Korean authorities were trying to hamper the success of the iPhone X.
The iPhone X went on sale in the country on Friday.
"Investigators visited Apple's HQ earlier this week to ask questions about its business practices ahead of the launch of the smartphone," the report said.
In 2016, the investigators began a probe in a bid to discover whether Apple struck "unfair" contracts with local phone networks.
"It's understood the latest raid is part of this ongoing probe, which was launched just months after the American firm took action to address officials' concern about other aunfair' contracts with South Korean firms commissioned to repair iPhones and other gadgets," the report said.