Source: http://www.mi.com/in/mi4i/
Features / Technical Specifications:


Features / Technical Specifications:
| Dimensions | 138.1 mm x 69.6 mm x 7.8 mm |
| Camera | 13MP Sony/Samsung camera |
| 5-element lens, f/2.0 aperture | |
| Two-tone flash | |
| Supports manual mode, real-time HDR, Torch | |
| Supports 1080p video recordings | |
| 5MP front camera | |
| 5-element lens, f/1.8 aperture | |
| 80° wide angle lens | |
| Beautify with 36 smart beauty profiles | |
| Display | 5" Sharp/JDI Full HD display |
| 1920 x 1080 resolution, 441 PPI | |
| 95% NTSC color gamut | |
| Fully laminated Corning® Concore™ glass | |
| All-new Sunlight display with hardware-level pixel contrast adjustments | |
| IPS 178° wide viewing angle | |
| Color | White |
| Black | |
| Blue | |
| Pink | |
| Yellow | |
| CPU / Memory / Battery | Snapdragon™ 64-bit octa-core processor |
| 2GB RAM LPDDR3 | |
| 16/32GB Flash eMMC | |
| 3120mAh | |
| SIM slots | 2 x micro SIM slots |
| Connectivity | 4G FDD-LTE, TD-LTE |
| 3G TD-SCDMA, WCDMA | |
| 2G GSM | |
| Bluetooth 4.1, Bluetooth HID | |
| Dual-band Wi-Fi 2.4/5GHz | |
| Wi-Fi Display | |
| Wi-Fi Direct | |
| Wi-Fi: 802.11 a/b/g/n, 802.11ac wave 2 include MU- MIMO, supports 2.4GHz and 5GHz bands | |
| Sensors | Electronic compass |
| Gravity sensor | |
| Light sensor | |
| Gyroscope | |
| Hall sensor | |
| Proximity sensor | |
| GPS Navigation | GPS |
| GLONASS | |
| Positioning by BDS (BeiDou Navigation Satellite System) | |
| Multimedia | Supported video formats: H.264–Baseline/Main/High, MPEG4–simple/ASP, H.264–0, VC-1/WMV9–Simple/Main, VC-1–Advanced |
| Supported audio formats: PCM, AAC/AAC+/eAAC+ , MP3, WMA – V9 and V10, AMR – NB and WB, FLAC, APE |