Core Insights - The Southeast Asian smartphone market is experiencing a year-on-year decline of 1% in Q2 2025, with shipments totaling 25 million units due to ongoing tariff uncertainties [1] Company Performance - Xiaomi regained the top position in the market for the first time in four years, with shipments of 4.7 million units and a market share of 19%, reflecting an 8% year-on-year increase [1] - Transsion ranked second with shipments of 4.5 million units and an 18% market share, showing a significant year-on-year growth of 17% driven by new entry-level model releases [1] - Samsung secured the third position with 4.3 million units shipped and a 17% market share, experiencing a 3% year-on-year decline, although demand for its 5G models increased in markets like Vietnam and Singapore [1] - OPPO (excluding OnePlus) ranked fourth with shipments of 3.5 million units and a 14% market share, facing a year-on-year decline of 19% due to intensified competition in the entry-level market [1] - Vivo placed fifth with shipments of 2.8 million units [1]