5.7 inches (~73.3% screen-to-body ratio)
13 MP, f/2.4, OIS, laser autofocus, dual-LED flash (H631, H540, H630D, MS631)
8 MP, f/2.4, laser autofocus, LED flash (H635)
8 GB, 1 GB RAM (H635, H540, H630D, H542)
16 GB, 2 GB RAM (H631, MS631)
Android OS, v5.0 (Lollipop), upgradable to v5.1 (Lollipop)
Quad-core 1.2 GHz Cortex-A53 - H631, H635, H630D, MS631
Octa-core 1.4 GHz Cortex-A7 - H540