Xiaomi asked the court remove it from a defense blacklist that bans Americans from investing in companies linked to the Chinese military.
The launch shows that the split is an initial success, as the Honor phone contains technology that Huawei still finds difficult to acquire.
The Covid-19 pandemic is exacerbating the technology gap for seniors, including requiring digital health codes to enter public spaces.
US investors will be prohibited from buying Xiaomi shares and will have to divest their holdings by November, according to the executive order.
Huawei is losing its status as a smartphone powerhouse in 2021, with a smartphone shipment forecast putting it in seventh place among global vendors.