Nokia 2780 Flip OS: Kai OS 3.1; Chipset: Qualcomm QM215 Snapdragon 215 (28 nm); CPU: Quad-core 1.3 GHz Cortex-A53; GPU: Adreno 308; Type: TFT LCD; Screen Size: 2.7 inches, 22.6 cm 2 (~19.3% screen-to-body ratio); Resolution: 240 x 320 pixels, 4:3 ratio (~148 ppi den...