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Brief information about compared phones: Celkon A66 , ZTE Boost MAX+Celkon A66 2014 year of release. cpu Dual-core 1.2 GHz. screen 4.5". with resolution 480x854. Smartphone has 0 megapixel front camera and 3 megapixel main camera . ZTE Boost MAX+ 2015 year of release. cpu Quad-core 1.2 GHz. screen 5.7". with resolution 720x1280. Smartphone has 1 megapixel front camera and 8 megapixel main camera . |
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| Display | Technology | TFT | IPS LCD | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | ||
| Display colors | 16M | |||
| Screen size | 4.5" inch | 5.7" inch | ||
| Screen area | 55.8 cm2 | 89.6 cm2 | ||
| Screen format | 16:9 (height:width) | 16:9 (height:width) | ||
| Screen to body ratio | 61.1% | 65.7% | ||
| Screen resolution | 480 x 854 px | 720 x 1280 px | ||
| PPI /points per inch/ | 218 PPI | 258 PPI | ||
| Screen protection | Corning Gorilla Glass | |||
| Camera and Video | Rear camera, main | 3.15 MP, Single | 8 MP, Single | |
| Camera specs | 3.15 MP | 8 MP | ||
| Functions | LED flash | |||
| Video | Yes | 720p | ||
| Front camera, selfie | 0.3 MP, Single | 1 MP, Single | ||
| Specifications | VGA | 1 MP | ||
| Performance | Operating system OS | Android 4.1.2 (Jelly Bean) | Android 5.1 (Lollipop) | |
| Processor CPU | Dual-core 1.2 GHz | Quad-core 1.2 GHz | ||
| External memory | microSD, up to 32 GB | No | ||
| Internal memory | 4 GB, 512 MB RAM | 16 GB, 2 GB RAM | ||
| General specs | Release date | 2014 | 2015, July | |
| Dimensions (HxWxD) | 136 Х 67.2 Х 11 mm | 165.1 Х 82.6 Х 10.2 mm | ||
| Weight | 98 g | 194.8 g | ||
| Colors | White, Black | Gold | ||
| Battery | 2000 mAh, Li-Ion | 3400 mAh, Non-removable Li-Ion | ||
| Approximate price | 180 EUR | |||
| Battery life | Stand by time- Up to 160 h Talking time- Up to 5 h | Talking time- Up to 16 h (3G) | ||
| Communication and Connectivity | SIM card | Dual SIM | Micro-SIM | |
| Network | Show all network frequencies: | Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA -4G - LTE | ||
| Speed | HSPA, LTE | |||
| GPRS | Yes | Yes | ||
| Edge | Yes | Yes | ||
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 b/g/n, hotspot | ||
| GPS | Yes | Yes, with A-GPS | ||
| NFC | ||||
| USB | microUSB | microUSB 2.0 | ||
| Bluetooth | 2.0 | 4.0, A2DP | ||
| Harmful irradiation | SAR EU - 0.38 W/kg (head) 0.47 W/kg (body) | |||
| Music and Audio | Radio | FM radio | No | |
| Headphone jack | Yes | Yes | ||
| Others | Dolby Digital Plus audio enhancement audio -Active noise cancellation with dedicated mic | |||
| Other features | Dop | Sensors Accelerometer, proximity | Sensors Yes | |
