The fastest-growing smartphone maker globally — by far — is a little-known electronics company based in China called OPPO, which had 137% growth in the second quarter.
China's Oppo Sold 50M Smartphones In 2015
US smartphone market sees OnePlus surge in H1 2021 - 9to5Google
Oppo Reno 10 5G series launch in India tomorrow: Expected features, price and more
OPPO now No. 2 best-selling smartphone brand in PH: GfK – Upgrade Magazine
OPPO Takes Its India Success Legacy Forward With The New OPPO K Series
OPPO R11 Hands On: When iPhone 7 Plus Meets Android Nougat - Gizmochina
Nothing Reveals Its First Smartphone, the 'phone (1)
Chinese smartphones, like Xiaomi and Vivo, won Indonesia - Rest of World
Oppo plans fat marketing budget to grow sales - The Economic Times
Indonesia Smartphone Market Hits Record Shipments in 2021 - EE Times Asia