The Lenovo Idea Pad K1 was announced in 2011, June. Released 2011, July With 10.1 inches, 295.8 cm2 (~59.3% screen-to-body ratio) TFT, Powered by Nvidia Tegra 2 T20 and running Android 3.1 (Honeycomb), the device delivered smooth performance and multitasking capabilities. Its 5 MP, AF rear camera captured crisp photos and 720p video, while the Non-removable Li-Ion 7400 mAh battery ensured long-lasting usage.