Google and Apple removed the app from their digital stores to comply with a federal law that required them to do so.

TikTok became unavailable to U.S. users over the weekend as a government ban over national security concerns took effect.

But while the super-popular video app has gone dark, the decision to turn off TikTok may not be final. In fact, it may last just a few dozen hours. The path to reinstatement. Trum ...