https://www.theregister.co.uk/2019/05/21/us_huawei_extension/

The US government on Monday gave Huawei permission to obtain technology from American organizations so that the Chinese giant can continue to maintain existing deployments of its products around the world, and push US-sourced software updates to people's phones.

Last week, Uncle Sam banned Huawei and dozens of its affiliates from sourcing American components and code for its equipment, effectively cutting the Middle Kingdom manufacturer off from US-designed chips, software, and other components. By placing Huawei on a so-called Entity List, the US government required American organizations to get export licenses before doing any further business with the Chinese corporation, thus bringing chunks of the equipment maker's supply chain to a sudden shuddering halt.