Arguments are expected to start at 10am ET after app’s Chinese-based parent company ByteDance asked justices to review case

What will happen to the TikTok app if it gets banned?

New users will not be able to download TikTok from app stores and existing users will not be able to update the app, because the law prohibits any entity from facilitating the download or maintenance of the TikTok application. In a 13 December letter, US lawmakers told Apple and Alphabet’s Google, which operate the two main mobile app stores, that they must be ready to remove TikTok from their stores on 19 January.