The ZTE Open was announced in 2013, February. Released 2013, July With 3.5 inches, 36.5 cm2 (~51.6% screen-to-body ratio) TFT, Powered by Qualcomm MSM7225A Snapdragon S1 and running Firefox OS 1.0, the device delivered smooth performance and multitasking capabilities. Its 3.15 MP rear camera captured crisp photos and Yes video, while the Li-Ion 1200 mAh, removable ensured long-lasting usage.