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Brief information about compared phones: Celkon A19 , Xolo A42Celkon A19 2012 year of release. cpu 832 MHz. screen 4". with resolution 480x800. Smartphone has 0 megapixel front camera and 5 megapixel main camera . Xolo A42 2014 year of release. cpu Dual-core 1.3 GHz. screen 4". with resolution 480x800. Smartphone has 1 megapixel front camera and 5 megapixel main camera . |
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| Display | Technology | TFT | IPS LCD | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | |||
| Screen size | 4" inch | 4" inch | ||
| Screen area | 45.5 cm2 | 45.5 cm2 | ||
| Screen format | 5:3 (height:width) | 5:3 (height:width) | ||
| Screen to body ratio | 54.0% | 57.6% | ||
| Screen resolution | 480 x 800 px | 480 x 800 px | ||
| PPI /points per inch/ | 233 PPI | 233 PPI | ||
| Camera and Video | Rear camera, main | 5 MP, Single | 5 MP, Single | |
| Camera specs | 5 MP | 5 MP | ||
| Functions | LED flash | |||
| Video | Yes | Yes | ||
| Front camera, selfie | 0.3 MP, Single | 1.3 MP, Single | ||
| Specifications | 1.3 MP | |||
| Performance | Operating system OS | Android 2.3.7 (Gingerbread) | Android 4.2.2 (Jelly Bean) | |
| Processor CPU | 832 MHz | Dual-core 1.3 GHz | ||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 32 GB | ||
| Internal memory | 4 GB, 512 MB RAM | |||
| General specs | Release date | 2012, July | 2014, July | |
| Dimensions (HxWxD) | 124 Х 68 Х 10.8 mm | 124.5 Х 63.5 Х 10.2 mm | ||
| Weight | 110 g | 0 g | ||
| Colors | Black | Yellow, Blue, White | ||
| Battery | 1400 mAh, Li-Ion | 1400 mAh, Li-Ion | ||
| Approximate price | 130 EUR | 80 EUR | ||
| Battery life | Stand by time- Up to 300 h Talking time- Up to 5 h | Stand by time- Up to 180 h Talking time- Up to 5 h | ||
| Communication and Connectivity | SIM card | Dual SIM (Mini-SIM) | Dual SIM | |
| Network | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 | ||
| Speed | HSPA | HSPA | ||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n, hotspot | ||
| GPS | Yes | Yes, with A-GPS | ||
| NFC | ||||
| USB | microUSB 2.0 | microUSB | ||
| Bluetooth | Yes | 2.0 | ||
| Harmful irradiation | SAR EU - 0.69 W/kg (head) 0.71 W/kg (body) | |||
| Music and Audio | Radio | Stereo FM radio | FM radio | |
| Headphone jack | Yes | Yes | ||
| Other features | Dop | Sensors Accelerometer, proximity - MP3/WAV/eAAC player -MP4/H.264 player -Document viewer -Organizer -Voice memo/dial -Predictive text input | Sensors Accelerometer, proximity | |
