This means buyers in the United States will have to wait a few more weeks to be able to fully utilize the potential of Samsung's new virtual assistant. At the launch of the Galaxy S8, Samsung showed what the program can do.
At the time of unveiling the Galaxy S8, Samsung promised that the full version of Bixby will be ready for prime time use when the device will go on sale.
The Wall Street Journal, citing sources, reported that internal tests conducted at Samsung revealed Bixby's voice recognition performance in English lagged behind its form in Korean.
Speaking to Silicon, a Samsung spokesperson said: "All Bixby functionality, bar the Voice Function, will be available to United Kingdom customers at launch".
Bixby has been pitched as major feature in the Galaxy S8, with a dedicated button on the left hand side of the device.
While us Brits had already been told full support for the company's new Siri-rivalling digital assistant Bixby would not be available at launch, users in the U.S. and Samsung's native Korea had been promised full day-one access.More news: US Navy strike group to move towards Korean peninsula
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The company did not give an explanation for the delay.
When the Galaxy S8 was announced, Samsung had warned Bixby wouldn't support all languages immediately, but no reason why was provided.
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Despite this, the Samsung Galaxy S8 will arrive with all of Bixby's other features, except for the most important one - voice control. Samsung today released a press statement that says Bixby Voice will be available in the United States later this spring.
Bixby integrates with a number Samsung's own native apps, including Camera, Contacts, Gallery, Messages and Settings, with more set to debut later this year (as well as third-party integration). It was dubbed as one of the most exciting features on the Galaxy S8, giving competition to Apple's Siri, Microsoft's Cortana, Amazon's Alexa, and Google Assistant.
"Anything you can do with touch, you can do with voice", Samsung representatives summed-up the feature.