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Brief information about compared phones: T-Mobile MDA Basic , ZTE X990T-Mobile MDA Basic 2009 year of release. cpu 200 MHz ARM926EJ-S. screen 2.8". with resolution 240x320. Smartphone has 2 megapixel main camera . ZTE X990 2010 year of release. cpu . screen 2.5". with resolution 320x240. Smartphone has 2 megapixel main camera . |
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| Display | Technology | TFT | TFT | |
| Touchscreen | resistive touchscreen | resistive touchscreen | ||
| Display colors | 65K | 256K | ||
| Screen size | 2.8" inch | 2.5" inch | ||
| Screen area | 24.3 cm2 | 19.4 cm2 | ||
| Screen format | 4:3 (height:width) | 4:3 (height:width) | ||
| Screen to body ratio | 39.2% | 29.7% | ||
| Screen resolution | 240 x 320 px | 320 x 240 px | ||
| PPI /points per inch/ | 143 PPI | 160 PPI | ||
| Camera and Video | Rear camera, main | 2 MP, Single | 2 MP, Single | |
| Camera specs | 2 MP | 2 MP | ||
| Video | Yes | Yes | ||
| Front camera, selfie | 0 MP, | 0 MP, | ||
| Specifications | ||||
| Performance | Operating system OS | Microsoft Windows Mobile 6.1 Professional | Microsoft Windows Mobile 6.5 Professional | |
| Chipset | TI OMAP 850 | |||
| Processor CPU | 200 MHz ARM926EJ-S | |||
| External memory | microSD (dedicated slot) | microSD, up to 8 GB (dedicated slot) | ||
| Internal memory | 128 MB RAM, 256 MB ROM | 5 MB | ||
| General specs | Release date | 2009, January | 2010, March | |
| Dimensions (HxWxD) | 105 Х 59 Х 16 mm | 107 Х 61 Х 12 mm | ||
| Weight | 110 g | 90 g | ||
| Colors | Gray | White | ||
| Battery | 1100 mAh, Removable Li-Ion | 0 mAh, | ||
| Battery life | Stand by time- Up to 270 h Talking time- Up to 8 h | Stand by time- Up to 480 h Talking time- Up to 8 h | ||
| Communication and Connectivity | SIM card | Mini-SIM | Mini-SIM | |
| Network | Show all network frequencies: | Show all network frequencies: | ||
| Speed | ||||
| GPRS | Class 10 | Class 10 | ||
| Edge | Class 10 | Class 10 | ||
| Wi-Fi | Wi-Fi 802.11b/g | No | ||
| GPS | No | No | ||
| NFC | ||||
| USB | miniUSB | microUSB 2.0 | ||
| Bluetooth | 2.0, A2DP | 2.0, A2DP | ||
| Harmful irradiation | SAR EU - 0.96 W/kg (head) | |||
| Music and Audio | Radio | No | Stereo FM radio, RDS | |
| Headphone jack | No | No | ||
| Others | TouchFLO finger swipe navigation -Handwriting recognition -5-way navigation | |||
| Other features | Dop | Pocket Office -Voice memo -MP3/AAC player | Windows Live Messenger -MP3/WMA/eAAC+ player -MP4/H.264 player -MS Office -Organizer -Voice memo -Predictive text input Also known as Messenger by SFR 251 Edition | |
