Features

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General
In The Box Handset, Battery, Charger, User Manual  Handset, Charger, Headset, Battery, Manual, Warranty cardView More... Handset, Charger, Handsfree, Battery, User Guide 
Model Number A1  SM-B310EZBDINS 
Model Name A1  K140  Guru Music 2 
Color White/Grey  White Black  Blue 
Browse Type Feature Phones  Feature Phones  Feature Phones 
SIM Type Dual Sim  Dual Sim  Dual Sim 
Hybrid Sim Slot No  No 
Touchscreen No  No 
OTG Compatible No  No 
Display Features
Display Size 4.5 cm (1.77 inch)  6.1 cm (2.4 inch)  5.08 cm (2 inch) 
Resolution 240x320 Pixels  640 x 480 Pixels  128 x 160 Pixels 
Resolution Type Quarter QVGA  VGA  NA 
Display Type TFT 
Display Colors 65 K 
Memory & Storage Features
Internal Storage 24 MB  NA 
RAM 24 MB 
Phone Book Memory 1000  300  Yes
Call Log Memory Yes Yes Yes
SMS Memory 500  100  Yes
Expandable Storage 32 GB  8 GB 
Supported Memory Card Type microSD, upto 8 GB 
Memory Card Slot Type Dedicated Slot 
Call Features
Phone Book Yes Yes Yes
Call Wait/Hold Yes Yes
Hands Free Yes
Speed Dialing Yes
Call Records Missed ,Outgoing, Received  Yes
Call Divert Yes
Speaker Phone Yes Yes
Logs Missed ,Received, Dialed 
Conference Call Yes
Call Timer Yes
Connectivity Features
Network Type 2G  2G 
Supported Networks GSM, GSM  GSM, GSM  GSM, GSM 
USB Connectivity Yes Yes
Audio Jack 3.5 mm  3.5 mm  3.5 mm 
3G No 
Wi-Fi No 
Micro USB Port No 
Internet Connectivity GPRS 
GPRS Yes
GPRS Features Yes
Mini USB Port Yes
Mini HDMI Port No 
USB Tethering No 
Other Details
Smartphone No  No 
SIM Size Full Size  Full Size SIM 
Keypad Type Alphanumeric  Alphanumeric 
Removable Battery Yes Yes
SMS Yes Yes Yes
Keypad Yes Yes Yes
Predictive Text Input Yes
Other Features Contact Images, Super Battery Mode, Big Dial Fonts, CalcuView More... Data Protection, Torch, Mobile Tracker 
Instant Message No  Yes
Voice Input Yes
Supported Languages Multi Language  English, Hindi 
Mobile Tracker Yes
SIM Access Dual Standby 
Important Apps Karbonn Store, WhatsApp 
Multimedia Features
FM Radio Yes Yes
Audio Formats AMR, MIDI, MP3, WAV 
FM Radio Recording Yes Yes
Music Player Yes Yes
Battery & Power Features
Battery Capacity 800 mAh  1000 mAh  800 mAh 
Battery Type Li-Ion  Li-on 
Warranty
Warranty Summary 1 year replacement guarantee for phone & 6 months replaceView More... 6 Months Manufacturer Warranty  1 Year Manufacturer Warranty 
Warranty Service Type 1 year replacement guarantee for phone & 6 months replaceView More... Karbonn Authorised Service Centre  Warranty From Service Center 
Not Covered in Warranty Damaged Handset 
Covered in Warranty 1 Year Manufacturer Warranty for Device And 6 Months ManuView More...
OS & Processor Features
Processor Type 0 0 0 208MHz 
Primary Clock Speed 1 MHz  208 MHz 
Dimensions
Weight 74.98 g 
Camera Features
Primary Camera Available Yes Yes
HD Recording No 
Primary Camera 0.3MP  0.3MP 
Primary Camera Features VGA camera with video recording & zoom 
Video Recording Yes
Optical Zoom Yes
Full HD Recording No