Samsung Galaxy Grand 2 Assembly instructions

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HW Repair Guide SM-G7102
( Galaxy Grand 2)

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1. All functionality, features, specifications and other product information
provided in this document including, but not limited to, the benefits, design,
pricing, components, performance, availability, and capabilities of the product are
subject to change without notice or obligation. Samsung reserves the right to
make changes to this document and the product described herein, at anytime, with
out obligation on Samsung to provide notification of such change.
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NOTICE

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Contents
1. Introduction of GRAND2 3G
2. Service Guide
•RF calibration
•IMEI writing
•Boot Recovery
3. Repair Guide
•Assembly & Disassembly
•Electronic Components
•SMD parts
•Trouble Shooting
4. Q&A

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Introduction of GRAND2 3G (1/3)
Specification
Item Specification
AP
One chip solution
CP
MSM8226 A7 Cortex
Quad Core @ 1.2GHz
OS
Android 4.3 (Jelly Bean MR2)
Memory
8GB (
eMMC) + 1.5GB (LPDDR2, POP)
Display
5.25” HD (TFT)
Camera
8M AF + LED Flash, 1.9M FF
Sensor
Proximity, Light, Accelerometer, Hall Sensor
FM Radio
O
Connectivity
BT4.0,
WiFi a/b/g/n
GPS
A
-GPS + GLONASS
Battery
2600mA
Speed
HSPA+ 21Mbps

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Introduction of GRAND2 3G (2/3)
Features
Optimal Wide View
•Satisfying Viewing Experience
•Maximize Every Inch
1. Optimized for Media playing
16:9 HD display
Perfect Ratio for Movie
2. Big Screen Experience
Larger Viewing Area
Clearer
3. Easy Multi Tasking
Multi Window & Easy Sharing
Smart Service for Smart Life
•Entertaining and Fun
•Refined Usability
1. Premium Experience
S View Cover
Perfect Ratio for Movie
2. Fun
Sound & Shot
Group Play
S Translator
Story Album

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Introduction of GRAND2 3G (3/3)
Lager and High Resolution Display
Camera
5.01” TFT
WVGA (800 x 480)
5.25” TFT
HD (1280 x 720)
8M w/LED 8M w/LED, BIS,
Zero Shutter Lag
Application Processor
Broadcom Capri
ARM Coretex-A9
Dual 1.2GHz
Qualcomm
MSM8226
ARM Coretex-A7
Quad 1.2GHz
Battery
2100mAh 2600mAh
Slim TSP
Memory
Network
GFF
1GB DDR2
8GB eMMC
2G EDGE Rx Quad
3G HSPA+ 21Mbps
Triple (1,2,8)
Slim GFF
1.5GB DDR2
8GB eMMC
2G EDGE Rx Quad
3G HSPA+ 21Mbps
Quad(1,2,5,8)
Galaxy Grand Galaxy Grand2Category

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RF calibration (1/2)
★For GRAND2(SM-G7102), new IF cable should be used for IMEI writing and Calibration.
(Detailed information : Refer SVC Bulletin (12-37) New IF Cable Guide.)
- Extract “BaroServer_Ver_1.0.6.zip” and Run “setup.exe”
- Click Next to install the program. Run BaroServer Launcher at the desktop.
- Enter ‘Assistant Server IP’, same as ‘Host Server IP’.
- Check SVC Only (5555) option and input password.
- Click ‘START’ button and check if “Running” message appears.
1. Run Baroserver program.

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RF calibration (2/2)
2. Run Calibration program
Category Filename Remark
Launcher DASEUL_Launcher_v3.0.20.exe
Runtime file
DASEUL_CAL_ALL_Runtime_3.1.93.0_r00061.CAB
or later version
Folder Name : SM-G7102
(under Launcher folder)
Model File
SM
-G7102_COMMON(CSC)_IMEI_Ver_3.1.92.0.CAB
or
later version
Folder Name : SM-G7102
(under Launcher folder)

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IMEI Writing (1/4)
★For GRAND2 3G(SM-G7102), new IF cable should be used for IMEI writing and Calibration.
(Detailed information : Refer SVC Bulletin (12-37) New IF Cable Guide.)
Category
Filename
Launcher
DASEUL_SVC_
Launcher_v3.0.20.exe
Runtime
File
DASEUL_IMEI_ALL_Runtime
_
3.1.93.0_r00074.CAB or later version
Model
File
SM
-G7102_COMMON(CSC)_
IMEI_Ver_3.1.92.0.CAB or later version
1) Run Daseul Program for IMEI Writing

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IMEI Writing (2/4)
2) Select MODE as ‘Service’, Model folder as ‘SM-G7102’,check IMEI option and click
System Setting button.
3) Check ‘IMEI Write’ and ‘IMEI Check’ option, and click ‘IMEI SVC & Repair Option’ to
check ‘SVC’ option.

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IMEI Writing (3/4)
4) Click ‘Hardware Config’ option.
5) Click ‘Port Setting’ in the phone option, and select correct port for IMEI writing.
6) Click Save and OK to enter IMEI writing program.

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IMEI Writing (4/4)
7) Enter IMEI number and click ‘Apply’ button.
8) Click ‘Model Info’ button and input ‘SKU_CODE’ and ‘BUYER’,then click Save.
※SKU_CODE can be found in HHPsvc > ESN/IMEI Review
9) Click ‘Start’ button and Input ‘User ID’ and ‘Password’.
10) Click ‘Login’ button and connect the phone to Anyway JIG.

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Boot Recovery
Emergency download
mode & Odin T-Flash
mode

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Brief Process
1) Preparing SD card, using working GRNAD2 3G (Samsung Method)
2) Inserting the SD Card to “eDL mode "phone for recovering.
3) Downloading the boot loader file to the defective phone,
and Flash Full S/W ( Pit, BL,AP, CP, CSC)
Pre-requisite
1) 1 Working GRAND2 3G phone ( Consisting of T Flash Enabled Binary )
2) External SD card ( Memory Size should be 8GB or bigger)
3) [SD card size should be more than the PIT file, Else the repartitioning of PIT file will fail]
4) Odin3 v3.07.exe and Odin3.ini
5) Latest PIT and Boot loader file
Boot Recovery (1/6)

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EDL mode verification
Device not booting up
Confirming a device is in Emergency Download mode (eDL mode).
1) Attach the faulty device to Windows PC
2) Go to Device Manager
3) You should able to see below item in Ports.
Boot Recovery (2/6)

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Insert External SD Card to normal phone to copy Boot loader to SD card
Go to download mode (Vol Dn + Home Key + Power, Vol Up)
Run Odin3 v3.07.exe with options enabled as shown
Click on start button to download the binary into SD Card.
Boot Recovery (3/6)

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Use the SD card to recover a device going to eDL mode.
Plug in the SD Card on to the device which is in eDL mode.
Remove the Battery and put it back.
make it to download mode with Volume Down + Power key and press Home key
Boot Recovery (4/6)

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Flash the Latest Pit and Boot loader on to the device ( as shown below )
Boot Recovery (5/6)

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Now remove the SD Card from Faulty device.
Go to download mode (Vol Dn + Home + Power Key, Vol Up)
Select all the binaries ( Pit, BL, AP, CP, CSC ) in Odin.
Click on Start button to download
Boot Recovery (6/6)

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Disassembly & Assembly Instruction
Disassembly & Assembly
Instruction