| Attribute | Value |
| General |
| Brand | Htc |
| Launch |
| Announced | 2015-03-01 |
| Body |
| Width | 7.7 mm |
| Length | 157.7 mm |
| Height | 78.7 mm |
| Weight | 155 g |
| SIM | Dual SIM (Nano-SIM, dual stand-by) |
| Front | Add |
| Back | Add |
| Frame | Add |
| Network |
| Technology | |
| 2G bands | - GSM 850 / 900 / 1800 / 1900
|
| 3G bands | - HSDPA 850 / 900 / 1900 / 2100
- TD
|
| 4G bands | - 1, 3, 7, 8, 38, 39, 40, 41
|
| 5G bands | Add |
| Speed | - HSPA 42.2/5.76 Mbps
- LTE Cat4 150/50 Mbps
|
| Platform |
| OS | Android 4.4.4 (KitKat) |
| Chipset | Mediatek MT6752 (28 nm) |
| CPU | Octa-core 1.7 GHz Cortex-A53 |
| GPU | Mali-T760MP2 |
| Memory |
| Card slot | microSDHC (dedicated slot) |
| Internal | |
| Display |
| Size | 5.5 in |
| Resolution | 720 x 1280 px |
| Protection | Add |
| Display Type | IPS LCD |
| Battery |
| Type | Li-Po |
| Charging | Add |
| Capcity | 2600 mAh |
| Main Camera |
| Main Camera Type | Single |
| Main Camera Properties | |
| Main Camera Video | 1080p@30fps |
| Main Camera Features | LED flash, HDR, panorama |
| Selfie Camera |
| Selfie Camera Type | Single |
| Selfie Camera Properties | |
| Selfie Camera Video | 1080p@30fps |
| Comms |
| WLAN | Wi-Fi 802.11 b/g/n, hotspot |
| Bluetooth | 4.0, A2DP |
| GPS | + |
| NFC | - |
| Radio | FM radio |
| USB | microUSB 2.0 |
| Sound |
| Loudspeaker | + |
| 3.5mm jack | + |
| Features |
| Sensors | - Accelerometer
- compass
- proximity
|
| Misc |
| Colors | - Marble White
- Milkyway Gray
- Monarch Orange
- Santorini White
- Tuxedo Gray
|
| Models | - D820ys
- Desire 820s dual sim
- Desire 820ts
|
| Selfie Camera Features | Add |
| SAR EU Head | Add |
| SAR EU Body | Add |
| SAR Head | Add |
| Stand-by | 560 h |
| Talk time | Up to 12 h 10 min (3G) h |
| SAR Body | Add |