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Brief information about compared phones: Celkon A99 , Nokia E90Celkon A99 2012 year of release. cpu 650 MHz. screen 4". with resolution 320x480. Smartphone has 0 megapixel front camera and 3 megapixel main camera . Nokia E90 2007 year of release. cpu 330 MHz. screen 4". with resolution 800x352. Smartphone has 0 megapixel front camera and 3 megapixel main camera . |
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| Display | Technology | TFT | TFT | |
| Touchscreen | capacitive touchscreen | |||
| Display colors | 256K | 16M | ||
| Screen size | 4" inch | 4" inch | ||
| Screen area | 47.6 cm2 | 38.1 cm2 | ||
| Screen format | 3:2 (height:width) | (height:width) | ||
| Screen to body ratio | 61.3% | 50.6% | ||
| Screen resolution | 320 x 480 px | 800 x 352 px | ||
| PPI /points per inch/ | 144 PPI | 0 PPI | ||
| Camera and Video | Rear camera, main | 3.15 MP, Single | 3.15 MP, Single | |
| Camera specs | 3.15 MP | 3.15 MP, AF | ||
| Functions | LED flash | |||
| Video | Yes | Yes | ||
| Front camera, selfie | 0.3 MP, Single | 0.3 MP, Single | ||
| Specifications | QCIF videocall camera | |||
| Performance | Operating system OS | Android 2.3.5 (Gingerbread) | Symbian 9.2, S60 rel. 3.1 | |
| Processor CPU | 650 MHz | 330 MHz | ||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 16 GB (dedicated slot) | ||
| Internal memory | 128 MB | |||
| General specs | Release date | 2012 | 2007, February | |
| Dimensions (HxWxD) | 121.4 Х 64 Х 11.3 mm | 132 Х 57 Х 20 mm | ||
| Weight | 120 g | 210 g | ||
| Colors | Black | Red, Mocha | ||
| Battery | 1200 mAh, Li-Ion | 1500 mAh, Removable Li-Ion | ||
| Approximate price | 400 EUR | |||
| Battery life | Stand by time- Up to 400 h Talking time- Up to 3 h | Stand by time- Up to 330 h Talking time- Up to 5 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: -2G - GSM 850 / 900 / 1800 / 1900 | ||
| Speed | HSPA | HSPA 3.6/0.384 Mbps | ||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g, hotspot | Wi-Fi 802.11b/g | ||
| GPS | Yes, with A-GPS | Yes, with A-GPS; Nokia Maps | ||
| NFC | ||||
| USB | microUSB 2.0 | miniUSB 2.0 | ||
| Bluetooth | 2.1, A2DP | 2.0, A2DP | ||
| Harmful irradiation | SAR - 0.59 W/kg (head) 0.72 W/kg (body) SAR EU - 0.65 W/kg (head) | |||
| Music and Audio | Radio | Stereo FM radio, RDS, recordin | FM radio | |
| Headphone jack | Yes | No | ||
| Others | Second external 16M colors display (240 x 320 pixels), 2 inches -Downloadable themes | |||
| Other features | Dop | Sensors Accelerometer, proximity, compass - MP3/WAV/eAAC player -MP4/H.264 player -Document viewer -Organizer -Voice memo/dial -Predictive text input | , Infrared port - Push to talk -WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Voice command/dial -Organizer -Printing -Document editor (Word, Excel, PowerPoint, PDF) incl. MS Office 2007 support via free update -Photo/video editor | |
