| General | |
| Manufacturer: | T-Mobile |
| Model: | Sidekick 4G |
| Other names: | Samsung SGH-T839 |
| Year: | 2011 |
| Operating system: | Android 2.2 |
| Capacity battery (MAh): | 1500 |
| Measurements | |
| Dimensions (mm): (width x height x thickness) |
61 x 127 x 15 |
| Weight (g): | 162 |
| Processor | |
| Processor Type: | Samsung Exynos 3110 |
| Clock Frequency (MHz): | 1000 |
| Memory | |
| Random access memory (RAM) (MB): | 512 |
| Read-only memory (ROM) (GB): | 1 |
| Communications | |
| Phone: | GSM 1800, GSM 1900, GSM 850, GSM 900, UMTS 1700, UMTS 2100 |
| Bluetooth: | 3.0 |
| Wi-Fi: | 802.11b,g,n |
| Other: | EDGE, GPRS, GPS, HSDPA, HSPA+, HSUPA, UMTS/WCDMA |
| Multimedia | |
| Screen Size: | 3.5 |
| Screen Resolution (px): | 480 x 800 |
| Screen type: | TFT |
| Accelerator: | PowerVR SGX540 |
| Rear camera (Mp): | 3 |
| Autofocus: | Yes |
| Speaker: | mono |
| Output of earphones: | 3.5 |
| Other: | FM-radio, G-Sensor, Light sensor, Proximity sensor, Digital compass |
| Management and input | |
| Touchscreen: | capacitive |
| Buttons: | QWERTY-keyboard, optical joystick, physical buttons |
| Extension | |
| Memory Cards: | microSD, microSDHC |
| Connectors: | microUSB |
| Additionally |