Summary: OS: Android (4.1.2) Emotion UI; Dimensions: 1024 MB RAM (Dual-channel, 500 MHz) / LPDDR2; Built-in storage: 16 GB; Talk time: 16.68 hoursthe average is 11 h (675 min); Stand-by time: 11.2 days (269 hours)the average is 20 days (477 h); Talk time (3G): 12.78 hoursthe average is 15 h (897 min); Stand-by time (3G): 11.9 days (286 hours)the average is 23 days (546 h); Stand-by time (4G): 11.3 days (272 hours)the average is 23 days (554 h); Capacity: 2420 mAh; Not user replaceable: Yes; Mus ...