Celkon Colt A401 ($ 49)

Specifications:

GENERALRelease dateOct-14
Form factorTouchscreen
Dimensions (mm)124.90 x 64.00 x 10.40
Battery capacity (mAh)1400
Removable batteryYes
ColoursBlack, White, Blue
DISPLAYScreen size (inches)4
TouchscreenYes
Resolution480x800 pixels
HARDWAREProcessor1GHz
RAM256MB
Internal storage4GB
Expandable storageYes
Expandable storage typemicroSD
Expandable storage up to (GB)32
CAMERARear camera3.2-megapixel
Rear FlashLED
Front camera0.3-megapixel
SOFTWAREOperating SystemAndroid 4.4.2
CONNECTIVITYWi-FiYes
GPSYes
BluetoothYes
NFCNo
InfraredNo
USB OTGNo
Headphones3.5mm
FMYes
Number of SIMs2
SIM 1SIM TypeRegular
GSM/CDMAGSM
3GYes
4G/ LTENo
SIM 2SIM TypeRegular
GSM/CDMAGSM
3GNo
4G/ LTENo
SENSORSCompass/ MagnetometerNo
Proximity sensorYes
AccelerometerYes
Ambient light sensorYes
GyroscopeYes
BarometerNo