[Q] Help with rooting a Duplicate Samsung Galaxy S III - Android Q&A, Help & Troubleshooting

Hello People. I am a Noob. I don't know anything about Rooting. I have bought a duplicate Samsung Galaxy S III. I want to Root it. I have tried the Exynos method and the OneClickRoot method. The former says that it is not possible to Root my device via Exynos. In the latter, it is just not being Installed and Prompts me to check if my USB Debugging is on. The device is a duplicate of the Samsung Galaxy S III GT-I9300. Please tell me if I can root it. If not, please suggest me some fixes for the camera quality and the non-functioning of heavy games such a Temple Run 2 and Subway Surfers.
Details:
Model Number: GT-I9300
Android Version: 4.1.1
Baseband Version:I9300XXALIH
Kernel Version: 3.0.31-I9300ZSKJ6-CL679970
Fri Apr 19 15:00:20 CST 2013
Build Number: GINGERBREAD>ZSKJ6
Custom Build Version: Galaxy.20130419.V009.1

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please do backup for gt-i9300 nand flash sys yaffs2
shunu said:
Hello People. I am a Noob. I don't know anything about Rooting. I have bought a duplicate Samsung Galaxy S III. I want to Root it. I have tried the Exynos method and the OneClickRoot method. The former says that it is not possible to Root my device via Exynos. In the latter, it is just not being Installed and Prompts me to check if my USB Debugging is on. The device is a duplicate of the Samsung Galaxy S III GT-I9300. Please tell me if I can root it. If not, please suggest me some fixes for the camera quality and the non-functioning of heavy games such a Temple Run 2 and Subway Surfers.
Details:
Model Number: GT-I9300
Android Version: 4.1.1
Baseband Version:I9300XXALIH
Kernel Version: 3.0.31-I9300ZSKJ6-CL679970
Fri Apr 19 15:00:20 CST 2013
Build Number: GINGERBREAD>ZSKJ6
Custom Build Version: Galaxy.20130419.V009.1
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Hello!
I ask everyone that if anyone has a phone with such parameters as here
please do backup under spflshtool
now I have the settings in the phone got brick
Hardware: MT6575
Model: magcomm89_ics2 (to reset to factory settings was written here gt-i9300)
Build number: ALPS.GB2.MP.V1.18
Build date UTC: 20130724-070315
Android v: 2.3.6 (to reset to factory settings was written here v: 4.1.1)
Baseband v: MAUI.11AMD.W11.50.SP.V12.P4, 2012/07/27 10:29
Kernel v: 2.6.35.7 (soft02 @ cc-desktop) (gcc version 4.4.3 (GCC)) # 1 Wed Jul 24 14:58:28 CST 2013
Uboo build v: - do not go around the root shell
LCD Driver IC: - do not go around the root shell
in fact with such information on the phone was still (Model: gt-i9300) and (android version 4.1.1)
Android version 4.1.1
Version of the communication module i9300XXXALIH
Kernel version 3.0.31-i9300ZSKJ6-CL679970
Wed jul 24 14:58:28 CST 2013
Build Number GINGERBREAD.ZSKJ6
The installed version of pol ... Galaxy.20130724.v015