The popular video app went dark in the United States late Saturday and then came back around noon on Sunday, even as a law banning it took effect.

After hearing arguments on Friday morning, the U.S. Supreme Court decided to uphold the law, meaning that TikTok will be banned effective if the parent company ByteDance does not sell the company by Sunday.

The Supreme Court has weighed in on the pending TikTok ban, just two days before the Sunday, Jan. 19, deadline when it is set to go into effect.

The Supreme Court upheld a law that requires TikTok's Chinese owner to sell off the app's U.S. business or face a nationwide ban Sunday.

First launched in the United States in 2018, the app quickly became the most downloaded social and entertainment app in the world. By 2020, when Americans were looking for ways to

TikTok’s app and website effectively shut down in the United States late Saturday just before a nationwide ban against the video-sharing platform came into force. The company showed its millions of American users a pop-up message that thanked President-elect Donald Trump for indicating he will work with the company on a solution when he takes office on Monday.

On Friday morning, the Supreme Court upheld a federal ban on TikTok, allowing the government to effectively shutter the social media app when the law takes effect on Sunday. The court rejected an argument,

The app had more than 170 million monthly users in the U.S. The black-out is the result of a law forcing the service offline unless it sheds its ties to ByteDance, its China-based parent company.