Celkon Campus A407 ($ 39)

Specifications:

GENERALRelease dateJun-15
Form factorTouchscreen
Dimensions (mm)124.80 x 65.20 x 0.00
Battery capacity (mAh)1400
Removable batteryYes
DISPLAYScreen size (inches)4
TouchscreenYes
Resolution480x800 pixels
HARDWAREProcessor1GHz
RAM256MB
Internal storage512MB
Expandable storageYes
Expandable storage typemicroSD
Expandable storage up to (GB)32
CAMERARear camera3.2-megapixel
Rear FlashLED
Front camera1.3-megapixel
SOFTWAREOperating SystemAndroid 4.2
CONNECTIVITYWi-FiYes
GPSNo
BluetoothYes
NFCNo
InfraredNo
USB OTGNo
FMYes
Number of SIMs2
SIM 1SIM TypeRegular
GSM/CDMAGSM
3GNo
4G/ LTENo
SIM 2SIM TypeRegular
GSM/CDMAGSM
3GNo
4G/ LTENo
SENSORSCompass/ MagnetometerNo
Proximity sensorYes
AccelerometerYes
Ambient light sensorYes
GyroscopeNo
BarometerNo