| Hardware and OS | T-Mobile Sidekick LX | |
| Operating system | Danger OS | |
| Internal memory | 64 MB RAM, 64 MB ROM | |
| External memory | microSD (dedicated slot) | |
| Display | T-Mobile Sidekick LX | other phones |
| Type | TFT | |
| Size | 3" inc | |
| Resolution | 240 x 400 px | |
| Screen-to-Body Ratio | 33.0% | |
| Display area | 25.6 cm2 | |
| Display aspect ratio | 5:3 (height:width) | |
| Pixel Density | 155 PPI | |
| Colors | 65K | |
| Connectivity | T-Mobile Sidekick LX | other phones |
| Wi-Fi | No | |
| Network | GSM | |
| SIM card | Mini-SIM | |
| Bluetooth | 2.0 | |
| Edge | Class 10 | |
| GPRS | Class 10 | |
| GPS | No | |
| USB | Proprietary | |
| Camera | T-Mobile Sidekick LX | other phones |
| Main camera | 1.3 MP, Single | |
| Specs | 1.3 MP | |
| Video | Yes | |
| Multimedia | T-Mobile Sidekick LX | other phones |
| 3.5 mm Jack | No | |
| Radio | No | |
| Design | T-Mobile Sidekick LX | other phones |
| Colors | Black | |
| Dimensions | 129.5 x 60 x 22 mm | |
| Weight | 162 g | |
| Battery | T-Mobile Sidekick LX | other phones |
| Battery capacity | 1540 mAh, Removable Li-Ion | |
| Battery life | Stand by time- Up to 96 h
Talking time- Up to 6 h 50 min
| |
| Other | T-Mobile Sidekick LX | other phones |
| SAR | SAR - 0.40 W/kg (head), 0.46 W/kg (body) | |
| Release date | 2007, September | |
| Sensors | | |
