| Local Name | Desire 820s dual sim |
| Technology | GSM / HSPA / LTE |
| 4G Bands | LTE band 1(2100), 3(1800), 7(2600), 8(900), 38(2600), 39(1900), 40(2300), 41(2500) |
| 3G Bands | HSDPA 850 / 900 / 1900 / 2100 | TD-SCDMA |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| GPRS | Yes |
| EDGE | Yes |
| Announced | 2015, March |
| Status | Available. Released 2015, March |
| Dimensions | 157.7 x 78.7 x 7.7 mm (6.21 x 3.10 x 0.30 in) |
| Weight | 155 g (5.47 oz) |
| SIM | Dual SIM (Nano-SIM, dual stand-by) |
| Display Type | Capacitive touchscreen, 16M colors |
| Screen Size | 5.5 inches (~67.2% screen-to-body ratio) |
| Resolution | 720 x 1280 pixels (~267 ppi pixel density) |
| Mulitouch | Yes | HTC Sense UI 6.0 |
| OS | Android 4.4.4 (KitKat) |
| Chipset | Mediatek MT6752 |
| CPU | Octa-core 1.7 GHz Cortex-A53 |
| GPU | Mali-T760MP2 |
| Card Slot | microSD, up to 32 GB (dedicated slot) |
| Internal Memory | 16 GB, 2 GB RAM |
| Primary Camera | 13 MP, autofocus, LED flash |
| Camera Features | Geo-tagging, touch focus, face detection, HDR, panorama |
| Video | 1080p@30fps |
| Secondary Camera | 8 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 | 4.0, A2DP |
| GPS | Yes, with A-GPS, GLONASS |
| Radio | FM radio |
| USB | microUSB 2.0 |
| 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 560 h (3G) |
| Talk Time | Up to 12 h 10 min (3G) |
| Colors | Marble White, Milkyway Gray, Monarch Orange, Santorini White, Tuxedo Gray |
