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Brief information about compared phones: Celkon A99 , Plum TriggerCelkon A99 2012 year of release. cpu 650 MHz. screen 4". with resolution 320x480. Smartphone has 0 megapixel front camera and 3 megapixel main camera . Plum Trigger 2013 year of release. cpu 1.0 GHz Cortex-A9. screen 3.5". with resolution 320x480. Smartphone has 2 megapixel main camera . |
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| Display | Technology | TFT | TFT | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 256K | 256K | ||
| Screen size | 4" inch | 3.5" inch | ||
| Screen area | 47.6 cm2 | 36.5 cm2 | ||
| Screen format | 3:2 (height:width) | 3:2 (height:width) | ||
| Screen to body ratio | 61.3% | 50.7% | ||
| Screen resolution | 320 x 480 px | 320 x 480 px | ||
| PPI /points per inch/ | 144 PPI | 165 PPI | ||
| Camera and Video | Rear camera, main | 3.15 MP, Single | 2 MP, Single | |
| Camera specs | 3.15 MP | 2 MP, AF | ||
| Functions | LED flash | |||
| Video | Yes | Yes | ||
| Front camera, selfie | 0.3 MP, Single | 0 MP, | ||
| Specifications | ||||
| Performance | Operating system OS | Android 2.3.5 (Gingerbread) | Android 4.0 (Ice Cream Sandwich) | |
| Chipset | Mediatek MT6575 (40 nm) | |||
| Processor CPU | 650 MHz | 1.0 GHz Cortex-A9 | ||
| Graphics processor GPU | PowerVR SGX531 | |||
| External memory | microSD, up to 32 GB (dedicated slot) | microSD, up to 32 GB (dedicated slot) | ||
| Internal memory | 512 MB, 256 MB RAM | |||
| General specs | Release date | 2012 | 2013, February | |
| Dimensions (HxWxD) | 121.4 Х 64 Х 11.3 mm | 117 Х 61.5 Х 11.6 mm | ||
| Weight | 120 g | 103 g | ||
| Colors | Black | Black, White | ||
| Battery | 1200 mAh, Li-Ion | 1350 mAh, Removable Li-Ion | ||
| Battery life | Stand by time- Up to 400 h Talking time- Up to 3 h | Stand by time- Up to 200 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 900 / 1800 / 1900 - SIM 1 & SIM 2 | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | ||
| Speed | HSPA | HSPA 7.2/5.76 Mbps | ||
| GPRS | Yes | Class 12 | ||
| Edge | Yes | Class 12 | ||
| Wi-Fi | Wi-Fi 802.11 b/g, hotspot | Wi-Fi 802.11 b/g | ||
| GPS | Yes, with A-GPS | Yes, with A-GPS | ||
| NFC | ||||
| USB | microUSB 2.0 | miniUSB | ||
| Bluetooth | 2.1, A2DP | 4.0, A2DP | ||
| Music and Audio | Radio | Stereo FM radio, RDS, recordin | FM radio | |
| Headphone jack | Yes | Yes | ||
| Other features | Dop | Sensors Accelerometer, proximity, compass - MP3/WAV/eAAC player -MP4/H.264 player -Document viewer -Organizer -Voice memo/dial -Predictive text input | Sensors Accelerometer, proximity, compass - Z103 Single SIM Z102 Dual SIM | |
