Its decision to pull out will leave its 10pc share in North America, where it is the No. 3 brand, to be gobbled up by smartphone titans Apple Inc and Samsung Electronics.
Oppo surpasses Huawei to become the biggest smartphone manufacturer in China.
Oppo currently leads the local Chinese smartphone market with a 21 percent market share in January 2021.
Huawei, which has been pushed to the third place after the US ban, is now tied with Apple and Xiaomi, with a 16 percent market share in the Chinese smartphone market.