| Hardware and OS | ZTE X990 | |
| Operating system | Microsoft Windows Mobile 6.5 Professional | |
| Internal memory | 5 MB | |
| External memory | microSD, up to 8 GB (dedicated slot) | |
| Display | ZTE X990 | other phones |
| Type | TFT | |
| Size | 2.5" inc | |
| Resolution | 320 x 240 px | |
| Touchscreen | resistive touchscreen | |
| Screen-to-Body Ratio | 29.7% | |
| Display area | 19.4 cm2 | |
| Display aspect ratio | 4:3 (height:width) | |
| Pixel Density | 160 PPI | |
| Colors | 256K | |
| Connectivity | ZTE X990 | other phones |
| Wi-Fi | No | |
| Network | GSM | |
| SIM card | Mini-SIM | |
| Bluetooth | 2.0, A2DP | |
| Edge | Class 10 | |
| GPRS | Class 10 | |
| GPS | No | |
| USB | microUSB 2.0 | |
| Camera | ZTE X990 | other phones |
| Main camera | 2 MP, Single | |
| Specs | 2 MP | |
| Video | Yes | |
| Multimedia | ZTE X990 | other phones |
| 3.5 mm Jack | No | |
| Radio | Stereo FM radio, RDS | |
| Design | ZTE X990 | other phones |
| Colors | White | |
| Dimensions | 107 x 61 x 12 mm | |
| Weight | 90 g | |
| Battery | ZTE X990 | other phones |
| Battery life | Stand by time- Up to 480 h
Talking time- Up to 8 h
| |
| Other | ZTE X990 | other phones |
| SAR | SAR EU - 0.96 W/kg (head) | |
| Release date | 2010, March | |
| Sensors | | |
