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Brief information about compared phones: Celkon A66 , T-Mobile MDA BasicCelkon A66 2014 year of release. cpu Dual-core 1.2 GHz. screen 4.5". with resolution 480x854. 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 | 65K | |||
| Screen size | 4.5" inch | 2.8" inch | ||
| Screen area | 55.8 cm2 | 24.3 cm2 | ||
| Screen format | 16:9 (height:width) | 4:3 (height:width) | ||
| Screen to body ratio | 61.1% | 39.2% | ||
| Screen resolution | 480 x 854 px | 240 x 320 px | ||
| PPI /points per inch/ | 218 PPI | 143 PPI | ||
| Camera and Video | Rear camera, main | 3.15 MP, Single | 2 MP, Single | |
| Camera specs | 3.15 MP | 2 MP | ||
| Functions | LED flash | |||
| Video | Yes | Yes | ||
| Front camera, selfie | 0.3 MP, Single | 0 MP, | ||
| Specifications | VGA | |||
| Performance | Operating system OS | Android 4.1.2 (Jelly Bean) | Microsoft Windows Mobile 6.1 Professional | |
| Chipset | TI OMAP 850 | |||
| Processor CPU | Dual-core 1.2 GHz | 200 MHz ARM926EJ-S | ||
| External memory | microSD, up to 32 GB | microSD (dedicated slot) | ||
| Internal memory | 4 GB, 512 MB RAM | 128 MB RAM, 256 MB ROM | ||
| General specs | Release date | 2014 | 2009, January | |
| Dimensions (HxWxD) | 136 Х 67.2 Х 11 mm | 105 Х 59 Х 16 mm | ||
| Weight | 98 g | 110 g | ||
| Colors | White, Black | Gray | ||
| Battery | 2000 mAh, Li-Ion | 1100 mAh, Removable Li-Ion | ||
| Battery life | Stand by time- Up to 160 h Talking time- Up to 5 h | Stand by time- Up to 270 h Talking time- Up to 8 h | ||
| Communication and Connectivity | SIM card | Dual SIM | Mini-SIM | |
| Network | Show all network frequencies: | Show all network frequencies: | ||
| Speed | ||||
| GPRS | Yes | Class 10 | ||
| Edge | Yes | Class 10 | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11b/g | ||
| GPS | Yes | No | ||
| NFC | ||||
| USB | microUSB | miniUSB | ||
| Bluetooth | 2.0 | 2.0, A2DP | ||
| Harmful irradiation | SAR EU - 0.38 W/kg (head) 0.47 W/kg (body) | |||
| Music and Audio | Radio | FM radio | No | |
| Headphone jack | Yes | No | ||
| Others | TouchFLO finger swipe navigation -Handwriting recognition -5-way navigation | |||
| Other features | Dop | Sensors Accelerometer, proximity | Pocket Office -Voice memo -MP3/AAC player | |
