Below is the direct link to download the Samsung Galaxy Grand Duos GT-I9082 Stock Firmware (flash file) from GoogleDrive. Firmware contains Flash File Only.
Download Samsung Galaxy Grand Duos GT-I9082 4.1.2 Firmware
lern how to flash this device from
here
Country: India
Android Version: 4.1.2
Product code: INS
PDA: I9082XXAMF7
CSC: I9082ODDMF3
Country: India
Android Version: 4.1.2
Product code: INU
PDA: I9082XXAMF7
CSC: I9082ODDMF3
Download Samsung Galaxy Grand Duos GT-I9082 4.2.2 Firmware
Country: India
Android Version: 4.2.2
Product code: INS
PDA: I9082XXUBNB2
CSC: I9082ODDBNB1
Country: India
Android Version: 4.2.2
Product code: INU
PDA: I9082XXUBNB2
CSC: I9082ODDBNB1
GENERAL INFORMATOIN:
Model Samsung Galaxy Grand GT-I9082
Form factor Block
Weight 162 gram
Dimensions (HxWxD) 143.5 x 76.9 x 9.6mm
Operating System Android 4.1
Communication
Networks 2G - 850/900/1800/1900
3G - 850/1900/2100
HSCSD

GPRS/EDGE

/

UMTS

HSPA/HSPA+

/

WiMAX

LTE (4G light)

WLAN / Wi-Fi

Wi-Fi Hotspot

Wi-Fi Direct

SMS/MMS/Email

/

/

Connectivity
HDMI out

USB port

MHL

Bluetooth

Bluetooth version 4.0
DLNA

GPS/Glonass

/

ANT+

IrDA

NFC

Camera
3.5 mm audio connector

Camera

Camera resolution 8 megapixel, autofocus
Image Stabilization

BSI sensor

Camera Flash/Light

Flash type LED
Video recording

Video capture resolution 1080p
Display
Second Camera 2 megapixel, 720p video
Display size 5 inches
Touchscreen

Colour display

Number of colours 16,777,216
Display resolution (WxH) 480 x 800 pixels
PPI 187
Second Display NA
Hardware
CPU 1.2 GHz dual-core
GPU PowerVR SGX544
Memory 1 GB RAM. 8 GB internal storage. Expandable up to 64 GB using microSD card
Micro SIM

Dual SIM

Multimedia
MP3

Ringtones / Music file format MP3, AAC, AAC+, eAAC+, WMA
Java

Games Yes, downloadable
FM Radio

Power management
Battery 2100 mAh
Standby time (h) 790
Talktime (m) 1300
Features
Wireless Charging

Browser Android HTML Webkit
Calendar

Voicedialing

IP Code NA
Predictive text

RSS reader

Voicememo

PC Synchronization

SyncML

Website
Website