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2014. 4. MC R&D / LGE

ChipErase Download GuideLGE Internal Use Only

Pre-conditionBackupFlash Image(Binary)RestoreFactory ResetLGE Internal Use OnlyConfigurationQPSTUnzip QPST_2.7.411.zip file Install QPST (QPST.2.7.411.msi)(If QPST is already installed, you dont have to be)

TestMode ToolUnzip TestMode_9.7_Tool.zip fileRun vsflex7l_ocx_regist.bat(If TestMode Tool is already installed, you dont have to be)

2LGE Internal Use Only2IMEI, BT, WiFi MAC Backup (1/3)Connect Device to PC (with USB cable) -> Select USB Connection : LG softwareRun TestMode9.2.exe Check if the Auto Comport is enabled Click the Connect buttonVerify Port Open Successed!

3LGE Internal Use Only3IMEI, BT, WiFi MAC Backup (2/3)6. Select BT_WIFI_IMEI.CFG file

4LGE Internal Use Only4IMEI, BT, WiFi MAC Backup (3/3)7. Double Click IMEI read, Bluetooth read, WIFI MAC ADDRESS READ 8. Copy IMEI, BT, WIFI MAC Address value (Click the responsed value -> Ctrl+C -> Open Notepad -> Ctrl+V )9. Close TestMode Tool

5LGE Internal Use Only5QCN backup Add New Port (1/5)**Caution: Launch QPST Configuration after Closing TestMode Tool

Execute QPST Configuration Program: (Start -> Programs -> QPST -> QPST Configuration )Click the Add New Port button

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LGE Internal Use Only6QCN backup (2/5)3. Uncheck(disable) Show Serial and USB/QC Diagnostic ports only4. Select LGE AndoridNet USB Serial Port -> OK

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LGE Internal Use Only7QCN backup (3/5)5. Click Start Clients-> Software Download

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LGE Internal Use Only8QCN backup (4/5)6. Click Backup tab and check if Port is enabled (COMxx MSM8974 .)7. QCN File: Click the Browse button8. Select directory and make a name of QCN file to be going to backup 9. Click Save(S) button

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QCN backup (5/5)10. Click the Start button. Then wait for until Total Progress bar will be 100%.11. Click Exit button

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Flash Image (CHIPERASE)Execute LGUP -> Select CHIPERASE -> Select tot File -> Start Check if the device bootup with Mini OS after flashing binary.Reset Device with Normal mode : Push the Power Button + tab Normal Boot(+power) in Mini OS screen

11LGE Internal Use Only11IMEI, BT, WiFi MAC restore (1/3)Connect Device to PC (with USB cable) -> Select USB Connection : LG softwareRun TestModeCheck if the Auto Comport is enabled Click the Connect buttonVerify Port Open Successed!

12LGE Internal Use Only12IMEI, BT, WIFI MAC, NTCode Write (2/3)6. Select BT_WiFi_IMEI_NTCODE.cfg 7. Double Click IMEI write -> input backuped IMEI value ->OK -> Check if the Response: OK!

13LGE Internal Use Only13Write NT Code, Bluetooth Address, WIFI MAC Address

8. NTCODE Write : "1","FFF,FFF,FFFFFFFF,FFFFFFFF,11"9. Bluetooth write : backup value10. WIFI MAC ADDRESS WRITE : backup valueIMEI, BT, WIFI MAC, NTCode Write (3/3)

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QCN Restore (1/3)**Cautions: Close TestMode tool before executing QPST Configuration

Execute QPST Configuration programCheck if the port is enabled If the port is not enabled, Add New Port (refer to the page 6 ~7)Click Start Clients -> Software Download

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QCN Restore (2/3)5. Select Restore tab6. Check if the Port is enabled(COMxx MSM8974 .)7. Click the Browse button 8. Select qcn file that you ackup -> Click Open(O) button

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QCN Restore (3/3)9. Click Start. Then Wait for until status will be Memory Restore Completed (The device will reset during restore qcn file)10. Exit

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LGE Internal Use Only17Factory ResetFactory reset should be performed in Hidden Menu as follows.Dialer > 3845#*722#Hidden Menu > WCDMA Only > Factory ResetAfter Factory reset is completed, start to test18LGE Internal Use Only18