Features

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General
In The Box Handset, Charger, Handsfree, Battery, User Guide  Handset, Charger, Battery, Earphone, Warranty Card  Handset, Battery, Charger, User Manual 
Model Number SM-B310EZBDINS  Hero Power B1  A3 
Model Name Guru Music 2  Hero Power B1  A3 
Color Blue  Black & Red  White, Beige 
Browse Type Feature Phones  Feature Phones  Feature Phones 
SIM Type Dual Sim  Dual Sim  Dual Sim 
Hybrid Sim Slot No  No  No 
Touchscreen No  No  No 
OTG Compatible No  No  No 
Quick Charging No 
Display Features
Display Size 5.08 cm (2 inch)  6.1 cm (2.4 inch)  4.5 cm (1.77 inch) 
Resolution 128 x 160 Pixels  320 x 240 Pixels  128 x 160$$Pixels 
Resolution Type NA 
Display Type TFT 
Display Colors 65 K 
HD Game Support No 
Memory & Storage Features
Internal Storage NA  24 MB  3 MB 
RAM 24 MB  4 MB 
Phone Book Memory Yes 1000 
Call Log Memory Yes Yes
SMS Memory Yes 100 
Expandable Storage 32 GB 
Supported Memory Card Type microSD 
Memory Card Slot Type Dedicated Slot  Dedicated Slot 
Call Features
Phone Book Yes Yes Yes
Call Wait/Hold Yes
Hands Free Yes
Speed Dialing Yes
Call Records Yes Yes
Call Divert Yes
Speaker Phone Yes Yes
Logs Yes Missed calls, Dialled Calls, Received Calls, All Call LogView More...
Conference Call Yes Yes
Video Call Support No  No 
Call Timer Yes
Connectivity Features
Network Type 2G  2G  2G 
Supported Networks GSM, GSM  GSM, GSM  GSM 
USB Connectivity Yes No 
Audio Jack 3.5 mm  3.5 mm  3.5 mm 
3G No 
Bluetooth Support Yes
Wi-Fi No 
Bluetooth Version 2 
Wi-Fi Hotspot No 
Other Details
Smartphone No  No 
SIM Size Full Size SIM 
Keypad Type Alphanumeric  Alphanumeric  Alphanumeric 
Removable Battery Yes Yes
SMS Yes Yes Yes
Keypad Yes Yes Yes
Predictive Text Input No 
Other Features Contact Images, Super Battery Mode, Big Dial Fonts, CalcuView More...
Games Yes
Browser No 
Instant Message No 
Supported Languages English, Hindi, Tamil, Telugu, Kannada 
Social Networking Phone No  No 
SIM Access NA 
Upgradable Operating System NA 
Series A-Series 
Multimedia Features
FM Radio Yes
Audio Formats AMR, MIDI, MP3, WAV 
FM Radio Recording Yes
Music Player Yes
Battery & Power Features
Battery Capacity 800 mAh  3000 mAh  1750 mAh 
Battery Type Li-on  Li-Ion 
Dual Battery No 
Warranty
Warranty Summary 1 Year Manufacturer Warranty  1 Year Warranty  1 year manufacturer Replacement for device and 6 months mView More...
Warranty Service Type Warranty From Service Center 
Not Covered in Warranty Damaged Handset  Damaged, Water logged 
Domestic Warranty 1 Year 
Covered in Warranty 1 Year Manufacturer Warranty for Device And 6 Months ManuView More... 1 Year replacement gurantee for phone and 6 months warranView More...
OS & Processor Features
Processor Type 0 0 0 208MHz 
Primary Clock Speed 208 MHz  1 MHz  1 MHz 
Operating Frequency GSM- 900, 1800 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 Dual LED Flash  VGA 
Full HD Recording No 
Image Editor No