Android 9.0, up to 11, OxygenOS 11.1.1.1. OnePlus 6T. PlatformOS Android 9.0 (Pie), upgradable to Android 11, OxygenOS 11.1.1.1. Snapdragon 845. Internal 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM. 1, 2, 3, 4, 5, 7, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 34, 38, 39, 40, 41, 66 - India, China.
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