| Hardware and OS | Samsung i637 Jack | |
| Operating system | Microsoft Windows Mobile 6.1 Standard, upgradable to Windows Mobile 6.5 | |
| Processor | 528 MHz | |
| Internal memory | 256 MB RAM, 256 MB ROM | |
| External memory | microSD, up to 16 GB (dedicated slot) | |
| Display | Samsung i637 Jack | other phones |
| Type | TFT | |
| Size | 2.4" inc | |
| Resolution | 320 x 240 px | |
| Screen-to-Body Ratio | 25.0% | |
| Display area | 17.8 cm2 | |
| Display aspect ratio | 4:3 (height:width) | |
| Pixel Density | 167 PPI | |
| Colors | 65K | |
| Connectivity | Samsung i637 Jack | other phones |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | |
| Wi-Fi | Wi-Fi 802.11 b/g | |
| Network | GSM / HSPA | |
| SIM card | Mini-SIM | |
| Bluetooth | 2.0, A2DP | |
| Edge | Class 10 | |
| GPRS | Class 10 | |
| GPS | Yes, with A-GPS | |
| Speed | HSPA 3.6/0.384 Mbps | |
| USB | 2.0 | |
| Camera | Samsung i637 Jack | other phones |
| Main camera | 3.15 MP, Single | |
| Specs | 3.15 MP | |
| Video | Yes | |
| Multimedia | Samsung i637 Jack | other phones |
| 3.5 mm Jack | No | |
| Radio | No | |
| Design | Samsung i637 Jack | other phones |
| Dimensions | 117 x 61 x 12.7 mm | |
| Weight | 102.1 g | |
| Battery | Samsung i637 Jack | other phones |
| Battery capacity | 1480 mAh, Removable Li-Ion | |
| Battery life | Stand by time- Up to 288 h
Talking time- Up to 7 h
| |
| Other | Samsung i637 Jack | other phones |
| SAR | SAR - 1.04 W/kg (head), 0.53 W/kg (body) | |
| Release date | 2009, May | |
| Sensors | | |
