Also known as T-Mobile T839 Sidekick 4G
| Network |
| Technology | GSM / HSPA |
| 2G bands | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 1700 / 2100 |
| | HSDPA 2100 |
| Speed | HSPA 7.2/5.76 Mbps |
| GPRS | Yes |
| EDGE | Yes |
| Launch |
| Announced | 2011, March. Released 2011, April 20th |
| Status | Discontinued |
| Body |
| Dimensions | 127 x 61 x 15 mm (5.0 x 2.40 x 0.59 in) |
| Weight | 162 g (5.71 oz) |
| Keyboard | QWERTY |
| SIM | Mini-SIM |
| | - Optical trackpad |
| Display |
| Type | TFT capacitive touchscreen, 16M colors |
| Size | 3.5 inches, 34.9 cm2(~45.0% screen-to-body ratio) |
| Resolution | 480 x 800 pixels, 5:3 ratio (~267 ppi density) |
| Platform |
| OS | Android 2.2 (Froyo) |
| Chipset | Hummingbird |
| CPU | 1.0 GHz Cortex-A8 |
| GPU | PowerVR SGX540 |
| Memory |
| Card slot | microSD, up to 32 GB (dedicated slot), 2 GB included |
| Internal | 1 GB, 512 MB RAM |
| Main Camera |
| Single | 3.15 MP, AF |
| Video | 480p@30fps |
| Selfie camera |
| Single | VGA |
| Video | |
| Sound |
| Loudspeaker | Yes |
| 3.5mm jack | Yes |
| Comms |
| WLAN | Wi-Fi 802.11 b/g/n, DLNA, hotspot |
| Bluetooth | 3.0, A2DP |
| GPS | Yes, with A-GPS |
| Radio | Nо |
| USB | microUSB 2.0 |
| Features |
| Sensors | Accelerometer, proximity |
| Browser | HTML, Adobe Flash |
| | - T-Mobile TV
- MP4/H.264 player
- MP3/WAV/eAAC+ player
- Organizer
- ThinkFree Office document editor , PDF viewer
- Voice memo
- Predictive text input |
| Battery |
| | Removable Li-Ion 1500 mAh battery |
| Stand-by | Up to 456 h |
| Talk time | Up to 6 h 30 min |
| Misc |
| Colors | Matte black, Pearl magenta |
| SAR | 0.34 W/kg (head) 0.96 W/kg (body) |
| Price | About 310 EUR |
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T-Mobile T839 Sidekick 4G
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