1. 48-megapixel-Quad Pixel
Actual resolution is 12 megapixels. The 48-megapixel sensor combines four pixels into one, for an effective photo resolution of 12 megapixels.
2. Battery life
All battery life claims are approximate and based on the median user, tested across a mixed use profile (which includes both usage and standby time) under optimal network conditions. Actual battery performance will vary and depends on many factors including signal strength, network and device settings, temperature, battery condition, and usage patterns.