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| key specs | ||||
| Display | 5.00-inch | 5.00-inch | ||
| Processor | 1.1GHz quad-core | MediaTek MT6582 | ||
| Front Camera | 5-megapixel | 0.3-megapixel | ||
| Rear Camera | 8-megapixel | 8-megapixel | ||
| RAM | 1GB | 1GB | ||
| Storage | 16GB | 4GB | ||
| Battery Capacity | 2700mAh | 2000mAh | ||
| OS | Android 7.0 | Android 4.2.2 | ||
| Resolution | 480x854 pixels | 480x854 pixels | ||
| general | ||||
| Brand | Itel | Idea | ||
| Model | S21 | Ultra+ | ||
| Release date | November 1, 2017 | August 1, 2014 | ||
| Form factor | Touchscreen | Bar | ||
| Battery capacity (mAh) | 2700 | 2000 | ||
| Removable battery | Yes | Yes | ||
| Colours | Moonlight Silver, Champagne Gold, Elegant Black | Black, White | ||
| Alternate names | - | Alcatel One Touch Pop C7 | ||
| display | ||||
| Screen size (inches) | 5.00 | 5.00 | ||
| Touchscreen | Yes | Yes | ||
| Resolution | 480x854 pixels | 480x854 pixels | ||
| Pixels per inch (PPI) | - | 195 | ||
| hardware | ||||
| Processor | 1.1GHz quad-core | 1.3GHz quad-core | ||
| RAM | 1GB | 1GB | ||
| Internal storage | 16GB | 4GB | ||
| Expandable storage | Yes | Yes | ||
| Expandable storage type | microSD | microSD | ||
| Expandable storage up to (GB) | 32 | 32 | ||
| Processor make | - | MediaTek MT6582 | ||
| camera | ||||
| Rear camera | 8-megapixel | 8-megapixel | ||
| Rear flash | Yes | Yes | ||
| Front camera | 5-megapixel | 0.3-megapixel | ||
| software | ||||
| Operating system | Android 7.0 | Android 4.2.2 | ||
| connectivity | ||||
| Wi-Fi | Yes | Yes | ||
| GPS | Yes | Yes | ||
| Bluetooth | Yes | Yes, v 4.00 | ||
| NFC | No | No | ||
| Infrared | No | No | ||
| USB OTG | Yes | Yes | ||
| Headphones | 3.5mm | 3.5mm | ||
| FM | Yes | Yes | ||
| Number of SIMs | 2 | 2 | ||
| Wi-Fi Direct | No | No | ||
| Mobile High-Definition Link (MHL) | No | No | ||
| Wi-Fi standards supported | - | 802.11 g/n | ||
| sim 1 | ||||
| SIM Type | Nano-SIM | Micro-SIM | ||
| GSM/CDMA | GSM | GSM | ||
| 3G | Yes | Yes | ||
| 4G/ LTE | Yes | No | ||
| sim 2 | ||||
| SIM Type | Nano-SIM | Micro-SIM | ||
| GSM/CDMA | GSM | GSM | ||
| 3G | Yes | Yes | ||
| 4G/ LTE | Yes | No | ||
| sensors | ||||
| Compass/ Magnetometer | Yes | No | ||
| Proximity sensor | Yes | Yes | ||
| Accelerometer | No | No | ||
| Ambient light sensor | Yes | Yes | ||
| Gyroscope | No | No | ||
| Barometer | No | No | ||
| Temperature sensor | No | No | ||
| ratings | ||||
| Overall NDTV Rating | - | Read Review | ||
| Design Rating | - | |||
| Display Rating | - | |||
| Software Rating | - | |||
| Performance Rating | - | |||
| Battery Life Rating | - | |||
| Camera Rating | - | |||
| Value for Money Rating | - | |||
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