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Brief information about compared phones: Celkon A63 , O2 XDA GuideCelkon A63 2013 year of release. cpu Dual-core 1.2 GHz. screen 4". with resolution 480x800. Smartphone has 0 megapixel front camera and 3 megapixel main camera . O2 XDA Guide 2008 year of release. cpu 528 MHz ARM 11. screen 2.8". with resolution 240x320. Smartphone has 3 megapixel main camera . |
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| Display | Technology | TFT | 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 | % | 44.5% | ||
| 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 | 3.15 MP, Single | |
| Camera specs | 3.15 MP | 3.15 MP | ||
| Video | Yes | CIF | ||
| Front camera, selfie | 0.3 MP, Single | 0 MP, | ||
| Specifications | VGA | |||
| Performance | Operating system OS | Android 4.2.0 (Jelly Bean) | Microsoft Windows Mobile 6.1 Professional | |
| Chipset | Qualcomm MSM7225 Snapdragon S1 | |||
| Processor CPU | Dual-core 1.2 GHz | 528 MHz ARM 11 | ||
| Graphics processor GPU | No | |||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD (dedicated slot), 1 GB included | ||
| Internal memory | 512 MB, 256 MB RAM | 256 MB RAM, 512 MB ROM | ||
| General specs | Release date | 2013, August | 2008, December | |
| Dimensions (HxWxD) | Х Х mm | 102 Х 53.5 Х 14.5 mm | ||
| Weight | 0 g | 102 g | ||
| Colors | Black | Grey | ||
| Battery | 1500 mAh, Li-Ion | 1110 mAh, Removable Li-Ion | ||
| Approximate price | 50 EUR | |||
| Battery life | Stand by time- Up to 400 h Talking time- Up to 6 h 30 min | |||
| Communication and Connectivity | SIM card | Dual SIM (Mini-SIM) | Mini-SIM | |
| Network | Show all network frequencies: | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 | ||
| Speed | HSPA | |||
| GPRS | Class 12 | Class 10 | ||
| Edge | Class 12 | Class 10 | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g | ||
| GPS | No | Yes, with A-GPS; TomTom NAVIGATOR 7 | ||
| NFC | ||||
| USB | microUSB 2.0 | miniUSB | ||
| Bluetooth | Yes | 2.0, A2DP | ||
| Harmful irradiation | SAR EU - 0.91 W/kg (head) 0.63 W/kg (body) | |||
| Music and Audio | Radio | No | ||
| Headphone jack | Yes | No | ||
| Others | TouchFLO finger swipe navigation -Handwriting recognition -5-way navigation | |||
| Other features | Dop | Sensors Proximity, gyro | HTC Footprints -Pocket Office -Voice memo -MP3/AAC player -3GP/MP4/WMV/AVI player -Predictive text input | |
