| Local Name | Desire 816G dual sim |
| Technology | GSM / HSPA |
| 3G Bands | HSDPA 900 / 2100 |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| Speed | HSPA 21.1/5.76 Mbps |
| GPRS | Yes |
| EDGE | Yes |
| Announced | 2014, September |
| Status | Available. Released 2014, October |
| Dimensions | 156.6 x 78.7 x 8 mm (6.17 x 3.10 x 0.31 in) |
| Weight | 158 g (5.57 oz) |
| SIM | Dual SIM (Nano-SIM, dual stand-by) |
| Display Type | Capacitive touchscreen, 16M colors |
| Screen Size | 5.5 inches (~67.7% screen-to-body ratio) |
| Resolution | 720 x 1280 pixels (~267 ppi pixel density) |
| Mulitouch | Yes | HTC Sense UI 6.0 |
| OS | Android OS, v4.4.2 (KitKat) |
| CPU | Octa-core 1.7 GHzQuad-core 1.3 GHz |
| Card Slot | microSD, up to 32 GB (dedicated slot) |
| Internal Memory | 8 GB (Quad core version), 16 GB (Octa core version), 1 GB RAM |
| Primary Camera | 13 MP, autofocus, LED flash |
| Camera Features | Geo-tagging, touch focus, face detection, HDR |
| Video | 1080p@30fps, 720p@60fps |
| Secondary Camera | 5 MP, 1080p |
| Alert Types | Vibration; MP3, WAV ringtones |
| Loudspeaker | Yes, with stereo speakers |
| 3.5mm Jack | Yes |
| WLAN | Wi-Fi 802.11 b/g/n, hotspot |
| Bluetooth | v4.0, A2DP, aptX |
| GPS | Yes, with A-GPS, GLONASS |
| Radio | FM radio |
| USB | microUSB v2.0 |
| Sensors | Accelerometer, proximity, compass |
| Messaging | SMS (threaded view), MMS, Email, Push Email |
| Browser | HTML5 |
| Java | No |
| Features Summary | MP4/H.264/WMV player, MP3/eAAC+/WMA/WAV player, Document viewer, Photo/video editor |
| Battery | Non-removable Li-Po 2600 mAh battery |
| Stand By | Up to 460 h (3G) |
| Talk Time | Up to 10 h (3G) |
| Colors | Black, White |
| SAR US | 0.33 W/kg (head) 0.24 W/kg (body) |
