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Brief information about compared phones: Celkon A99 , T-Mobile MDA BasicCelkon A99 2012 year of release. cpu 650 MHz. screen 4". with resolution 320x480. Smartphone has 0 megapixel front camera and 3 megapixel main camera . T-Mobile MDA Basic 2009 year of release. cpu 200 MHz ARM926EJ-S. screen 2.8". with resolution 240x320. Smartphone has 2 megapixel main camera . |
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| Display | Technology | TFT | TFT | |
| Touchscreen | capacitive touchscreen | resistive touchscreen | ||
| Display colors | 256K | 65K | ||
| Screen size | 4" inch | 2.8" inch | ||
| Screen area | 47.6 cm2 | 24.3 cm2 | ||
| Screen format | 3:2 (height:width) | 4:3 (height:width) | ||
| Screen to body ratio | 61.3% | 39.2% | ||
| Screen resolution | 320 x 480 px | 240 x 320 px | ||
| PPI /points per inch/ | 144 PPI | 143 PPI | ||
| Camera and Video | Rear camera, main | 3.15 MP, Single | 2 MP, Single | |
| Camera specs | 3.15 MP | 2 MP | ||
| Video | Yes | Yes | ||
| Front camera, selfie | 0.3 MP, Single | 0 MP, | ||
| Specifications | ||||
| Performance | Operating system OS | Android 2.3.5 (Gingerbread) | Microsoft Windows Mobile 6.1 Professional | |
| Chipset | TI OMAP 850 | |||
| Processor CPU | 650 MHz | 200 MHz ARM926EJ-S | ||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD (dedicated slot) | ||
| Internal memory | 128 MB RAM, 256 MB ROM | |||
| General specs | Release date | 2012 | 2009, January | |
| Dimensions (HxWxD) | 121.4 Х 64 Х 11.3 mm | 105 Х 59 Х 16 mm | ||
| Weight | 120 g | 110 g | ||
| Colors | Black | Gray | ||
| Battery | 1200 mAh, Li-Ion | 1100 mAh, Removable Li-Ion | ||
| Battery life | Stand by time- Up to 400 h Talking time- Up to 3 h | Stand by time- Up to 270 h Talking time- Up to 8 h | ||
| Communication and Connectivity | SIM card | Dual SIM (Mini-SIM) | Mini-SIM | |
| Network | Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 | Show all network frequencies: | ||
| Speed | HSPA | |||
| GPRS | Yes | Class 10 | ||
| Edge | Yes | Class 10 | ||
| Wi-Fi | Wi-Fi 802.11 b/g, hotspot | Wi-Fi 802.11b/g | ||
| GPS | Yes, with A-GPS | No | ||
| NFC | ||||
| USB | microUSB 2.0 | miniUSB | ||
| Bluetooth | 2.1, A2DP | 2.0, A2DP | ||
| Music and Audio | Radio | Stereo FM radio, RDS, recordin | No | |
| Headphone jack | Yes | No | ||
| Others | TouchFLO finger swipe navigation -Handwriting recognition -5-way navigation | |||
| Other features | Dop | Sensors Accelerometer, proximity, compass - MP3/WAV/eAAC player -MP4/H.264 player -Document viewer -Organizer -Voice memo/dial -Predictive text input | Pocket Office -Voice memo -MP3/AAC player | |
