TikTok warns Americans it is about to shut down | Technology [Video]

(CNN) — TikTok could go dark in the United States on Sunday after the Supreme Court upheld a ban on the Chinese-owned social media platform — but it could be back as early as Monday.

Late on Saturday, TikTok began displaying a message reading: “We regret that a U.S. law banning TikTok will take effect on January 19 and force us to make our services temporarily unavailable. We’re working to restore our service in the U.S. as soon as possible, and we appreciate your support. Please stay tuned.”

The notice came just hours before the ban was set to go into effect. But how long the ban will last was in question after President-elect Donald Trump said he will “most likely” delay a ban on TikTok for 90 days after he takes office on Monday, adding that he has not made a final decision in a phone interview with NBC News on Saturday.

“I think that would …