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Brief information about compared phones: Celkon Q405 , T-Mobile MDA BasicCelkon Q405 2015 year of release. cpu Quad-core 1.2 GHz. screen 4". with resolution 480x800. Smartphone has 1 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 | ||
| Touchscreen | capacitive touchscreen | resistive touchscreen | ||
| Display colors | 65K | |||
| Screen size | 4" inch | 2.8" inch | ||
| Screen area | 45.5 cm2 | 24.3 cm2 | ||
| Screen format | 5:3 (height:width) | 4:3 (height:width) | ||
| Screen to body ratio | 57.2% | 39.2% | ||
| Screen resolution | 480 x 800 px | 240 x 320 px | ||
| PPI /points per inch/ | 233 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 | 1.3 MP, Single | 0 MP, | ||
| Specifications | 1.3 MP | |||
| Performance | Operating system OS | Android 4.4 (KitKat) | Microsoft Windows Mobile 6.1 Professional | |
| Chipset | Spreadtrum 7731 | TI OMAP 850 | ||
| Processor CPU | Quad-core 1.2 GHz | 200 MHz ARM926EJ-S | ||
| Graphics processor GPU | Mali-400 | |||
| 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 | 2015, May | 2009, January | |
| Dimensions (HxWxD) | 124 Х 64.2 Х 9.9 mm | 105 Х 59 Х 16 mm | ||
| Weight | 137 g | 110 g | ||
| Colors | Black, White, Gold, Blue | Gray | ||
| Battery | 1500 mAh, Li-Ion | 1100 mAh, Removable Li-Ion | ||
| Battery life | 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: -2G - GSM 900 / 1800 - 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/n | Wi-Fi 802.11b/g | ||
| GPS | Yes | No | ||
| NFC | ||||
| USB | microUSB | miniUSB | ||
| Bluetooth | 2.0 | 2.0, A2DP | ||
| Harmful irradiation | SAR EU - 0.25 W/kg (head) 0.55 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 | |
