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key specs | ||||
Display | 4.50-inch | 5.20-inch | 5.00-inch | |
Processor | 1.3GHz quad-core | Qualcomm Snapdragon 808 | Qualcomm Snapdragon 615 | |
Front Camera | 2-megapixel | 5-megapixel | 5-megapixel | |
Rear Camera | 5-megapixel | 13-megapixel | 13-megapixel | |
RAM | 1GB | 3GB | 2GB | |
Storage | 8GB | 32GB | 16GB | |
Battery Capacity | 2000mAh | 2680mAh | 3000mAh | |
OS | Android 6.0 | Android 6.0.1 | Android 5.0.2 | |
Resolution | 480x854 pixels | 1080x1920 pixels | 1080x1920 pixels | |
general | ||||
Brand | Itel | Nextbit | Obi Worldphone | |
Model | Wish A21 | Robin | SF1 | |
Release date | May 1, 2017 | August 1, 2015 | August 1, 2015 | |
Form factor | Touchscreen | Touchscreen | Touchscreen | |
Dimensions (mm) | 136.00 x 67.30 x 10.40 | 149.00 x 72.00 x 7.00 | 146.00 x 74.00 x 8.00 | |
Battery capacity (mAh) | 2000 | 2680 | 3000 | |
Removable battery | Yes | No | No | |
Colours | Grey, Champagne, Coffee | Mint, Midnight | Black | |
SAR value | - | 0.58 | 0.23 | |
Weight (g) | - | - | 147.00 | |
display | ||||
Screen size (inches) | 4.50 | 5.20 | 5.00 | |
Touchscreen | Yes | Yes | Yes | |
Resolution | 480x854 pixels | 1080x1920 pixels | 1080x1920 pixels | |
Pixels per inch (PPI) | 218 | - | 443 | |
hardware | ||||
Processor | 1.3GHz quad-core | 2GHz hexa-core | 1.5GHz octa-core | |
RAM | 1GB | 3GB | 2GB | |
Internal storage | 8GB | 32GB | 16GB | |
Expandable storage | Yes | No | Yes | |
Expandable storage type | microSD | - | microSD | |
Expandable storage up to (GB) | 32 | - | 64 | |
Processor make | - | Qualcomm Snapdragon 808 | Qualcomm Snapdragon 615 | |
camera | ||||
Rear camera | 5-megapixel | 13-megapixel | 13-megapixel | |
Rear flash | Yes | Dual LED | LED | |
Front camera | 2-megapixel | 5-megapixel | 5-megapixel | |
Front flash | - | - | LED | |
software | ||||
Operating system | Android 6.0 | Android 6.0.1 | Android 5.0.2 | |
Skin | - | Nextbit OS | Obi Lifespeed | |
connectivity | ||||
Wi-Fi | Yes | Yes | Yes | |
GPS | Yes | Yes | Yes | |
Bluetooth | Yes, v 4.00 | Yes, v 4.00 | Yes, v 4.00 | |
NFC | No | Yes | No | |
Infrared | No | No | No | |
USB OTG | Yes | No | Yes | |
Headphones | 3.5mm | 3.5mm | 3.5mm | |
FM | No | No | Yes | |
Number of SIMs | 2 | 1 | 2 | |
Wi-Fi Direct | No | No | Yes | |
Mobile High-Definition Link (MHL) | No | No | No | |
Wi-Fi standards supported | - | 802.11 a/b/g/n/ac | 802.11 a/b/g/n | |
sim 1 | ||||
SIM Type | Micro-SIM | Regular | Micro-SIM | |
GSM/CDMA | GSM | GSM | GSM | |
3G | Yes | Yes | Yes | |
4G/ LTE | Yes | Yes | Yes | |
sim 2 | ||||
SIM Type | Micro-SIM | - | Nano-SIM | |
GSM/CDMA | GSM | - | GSM | |
3G | Yes | - | Yes | |
4G/ LTE | Yes | - | No | |
sensors | ||||
Compass/ Magnetometer | No | Yes | Yes | |
Proximity sensor | Yes | Yes | Yes | |
Accelerometer | Yes | Yes | Yes | |
Ambient light sensor | Yes | Yes | Yes | |
Gyroscope | No | Yes | Yes | |
Barometer | No | No | No | |
Temperature sensor | No | No | No | |
ratings | ||||
Overall NDTV Rating | - | Read Review | Read Review | |
Design Rating | - | |||
Display Rating | - | |||
Software Rating | - | |||
Performance Rating | - | |||
Battery Life Rating | - | |||
Camera Rating | - | |||
Value for Money Rating | - |