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[NEW][GUIDE][ICS/JB] How to Root/Unroot Your I9100G Via Stock Recovery

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Ryuinferno
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(Last edited by Ryuinferno; 5th September 2013 at 08:05 AM.)
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Cool [NEW][GUIDE][ICS/JB] How to Root/Unroot Your I9100G Via Stock Recovery

Hi guys! I believe most of you obtained root via this method by Jiangyi: [TUTORIAL] Root access for ICS on I9100G which requires a temporary CWM. Quite a few users face problems because in temporary CWM, internal storage is swapped with external storage, i.e. sdcard=internal storage, internal sdcard=external storage. It may be confusing for newbies, especially on their first attempt on rooting. Therefore, I decided to release an easier method, where you can flash the zip files directly via stock 3e recovery!

Requirements:
- Running a stock ICS/JB ROM
- External sdcard


Features:
- SuperSU v0.99 by Chainfire
- Busybox v1.20.2 by Stericson
- No yellow traingle
- No increase in binary counter


Instructions (Root):
1. Download SU-BB-Installer.zip from here: http://www.androidfilehost.com/?fid=9390233485161005747
2. Place it in your external sdcard.
3. Power off your device COMPLETELY.
4. Boot into recovery mode by pressing Volume up + Home + Power buttons simultaneously.
5. Navigate to "apply update from external storage" using the volume buttons.
6. Select it by pressing the Power button.
7. Select SU-BB-Installer.zip.
8. Wait for it to finish and navigate up (select "../").
9. Select "reboot system now".
10. Congratulations, you now have root and busybox!

Optional: (For ICS only)
To obtain CWM recovery in order to start flashing ROMs or mods, read on:
1. Download kTool from Play Store: https://play.google.com/store/apps/d...droiddev.ktool
2. For ICS: Download the CWM recovery kernel by codeworkx from here: [KERNEL][GT-I9100G] ClockworkMod Recovery 6.0.1.2
3. Extract the .tar file and you will get a file named zImage.
4. Place the zImage in the root of your internal storage.
5. Launch kTool and select "Flash kernel from /sdcard/zImage".
6. Reboot and profit! If you boot into recovery by Volume Up + Home + Power buttons, you will now see CWM recovery.


Optional: (For JB only)
To obtain CWM recovery in order to start flashing ROMs or mods, read on:
1. Download one of the stock recovery flashable zips of Blazing Safe Kernel from here: http://forum.xda-developers.com/show....php?t=2293576
2. Place it in your external sdcard.
3. Power off your device COMPLETELY.
4. Boot into recovery mode by pressing Volume up + Home + Power buttons simultaneously.
5. Navigate to "apply update from external storage" using the volume buttons.
6. Select it by pressing the Power button.
7. Select the zip.
8. Wait for it to finish and navigate up (select "../").
9. Select "reboot system now".
6. Reboot and profit! If you boot into recovery by Volume Up + Home + Power buttons, you will now see CWM recovery.



Instructions (Unroot):
1. Download SU-BB-Unstaller.zip from here: http://www.androidfilehost.com/?fid=9390233485161005748
2. Place it in your external sdcard.
3. Power off your device COMPLETELY.
4. Boot into recovery mode by pressing Volume up + Home + Power buttons simultaneously.
5. Navigate to "apply update from external storage" using the volume buttons.
6. Select it by pressing the Power button.
7. Select SU-BB-Unstaller.zip.
8. Wait for it to finish and navigate up (select "../").
9. Select "reboot system now".
10. You are now unrooted.


**NOTE: In order to use this method to unroot, you MUST use my method to root before this.

Optional (remove CWM recovery)(For ICS only):
This is the tricky part, the easiest way is to reflash a whole firmware via ODIN. But if you like new methods, try this:
1. DO NOT uninstall kTool or unroot your phone first!
2. Obtain a stock zImage (either you download it or extract it from a firmware package), make sure that it is meant for the firmware you are using.
3. Place the zImage in the root of your internal storage.
4. Launch kTool and select "Flash kernel from /sdcard/zImage".
5. Reboot and if you boot into recovery by Volume Up + Home + Power buttons, you will now see the default stock 3e recovery.
6. Now you can unroot your device.


Optional (remove CWM recovery)(For JB only):
1. Download stock_XXLSR_kernel.zip from here: http://bit.ly/XCEejd and place it into your external sdcard/internal sdcard.
3. Power off your device COMPLETELY.
4. Boot into recovery mode by pressing Volume up + Home + Power buttons simultaneously.
5. Navigate to "Install zip from sdcard" using the volume buttons.
6. Select it by pressing the Power button.
7. Select "Install zip from sdcard" if you placed it in the external sdcard, or select "Install zip from internal storage" if you placed it in the internal sdcard.
8. Navigate and select stock_XXLSR_kernel.zip.
9. Wait for it to finish.
10. Select "reboot system now".
11. CWM recovery is now replaced by stock 3e recovery, and back to stock kernel too.



That's all from me. Happy rooting!






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iXanza
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You are too free at 3.30 in the morning hahahaa
Nice guide btw. will help a lot of people.
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Infinite96
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(Last edited by Infinite96; 25th December 2012 at 10:40 PM.)
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Nice guide mate =)
New rooting method !
Great effort :P

---------- Post added at 06:40 AM ---------- Previous post was at 06:36 AM ----------

Quote:
Originally Posted by iXanza View Post
You are too free at 3.30 in the morning hahahaa
Nice guide btw. will help a lot of people.
Lol..You too :P Not bad at 4AM XD
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Dzol Cp
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Great Guide @OP..
for the verifirst time i follow this and it working great without using my pc,,and i just do it on my friend S2 today,,
FOR NOOB*

Read and follow the instructions in the thread as what @OP wrote...
YOU MAY SUCCESSFULLY ROOT.FLASH CWM ON YOU S2

I think this this thread should be STICKY THREAD
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ICS_XD
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Great Mate
will be back to our 'G' Family soon
with blast

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bibiner
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Very good guide! Great Job.

Sent from my GT-I9100G using xda premium
Device: Samsung Galaxy S2 GT-I9100G
ROM: SuperNexus 2.0
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roshan2989
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i cant root it say..E: failed to mount /SDcard...how to fix this...?
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Infinite96
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Quote:
Originally Posted by roshan2989 View Post
i cant root it say..E: failed to mount /SDcard...how to fix this...?
Mount and remount your SD Card =)
 
301stSpartan
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Really great guide man. Super simple. Will use this to root my gf's 9100G and get her on CM once I get back to India. Especially helpful because she just burned out her USB port by dropping the phone in a toilet so she can't use odin. =_=

Sent from my 9100G, running CM10.1 / Codebox / Slim Bean, depending on the day
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Infinite96
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Quote:
Originally Posted by 301stSpartan View Post
Really great guide man. Super simple. Will use this to root my gf's 9100G and get her on CM once I get back to India. Especially helpful because she just burned out her USB port by dropping the phone in a toilet so she can't use odin. =_=

Sent from my 9100G, running CM10.1 / Codebox / Slim Bean, depending on the day
This is much better than odin hehe

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