Phone Specifications

Karbonn A4 specification and features

Network
TechnologyGSM / HSPA
2G bandsGSM 850 / 1900 – SIM 1 & SIM 2
 GSM 900 / 1800 – SIM 1 & SIM 2
3G bandsHSDPA 900 / 2100
 HSDPA 850 / 1900
SpeedHSPA
Launch
Announced2013, March. Released 2013, March
StatusDiscontinued
Body
Dimensions124.8 x 66 x 9.5 mm (4.91 x 2.60 x 0.37 in)
Weight75 g (2.65 oz)
SIMDual SIM (Mini-SIM)
Display
TypeTFT capacitive touchscreen, 256K colors
Size4.0 inches, 47.6 cm2 (~57.8% screen-to-body ratio)
Resolution320 x 480 pixels, 3:2 ratio (~144 ppi density)
Platform
OSAndroid 2.3.6 (Gingerbread)
Memory
Card slotmicroSDHC (dedicated slot)
Internal256MB 512MB
Main Camera
Single3.15 MP
VideoYes
Selfie camera
SingleYes
Video
Sound
LoudspeakerYes
3.5mm jackYes
Comms
WLANWi-Fi 802.11 b/g/n, hotspot
BluetoothYes
GPSNo
RadioFM radio
USBProprietary
Features
SensorsAccelerometer
Battery
 Li-Ion 1400 mAh battery
Stand-byUp to 250 h
Talk timeUp to 4 h 20 min
Misc
ColorsWhite/Black