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[Guide] How to root your Samsung Galaxy S2

19th February 2012, 10:47 AM |#1  
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Rooting your Samsung Galaxy S2 i9100
This guide is thanks to capaxdoli, I have just modified it slightly to make it easier to read
If you use this guide to root your phone please go and thank him here - http://forum.xda-developers.com/show....php?t=1126522

Also please give this page a read it is the basics of rooting and should be considered the starting point for all learning to root - http://forum.xda-developers.com/show....php?t=1125282

Also another thanks should go to Chainfire - For his great work on kernels http://forum.xda-developers.com/show....php?t=1103399

1. Make sure your phone has kies 2 and have it install all the drivers.

2. Connected phone for the first time to computer and kies 2 and it recognized it fine.

3. Make sure Kies 2 is also fully updated.

4. The details of my phone are as follows: (please check what yours are)
Samsung Galaxy S2 i9100 (only use on i9100)
Fireware – 2.3.4 (it will work on all 2.3.x Firmware)
Kernel = XXKI4 (the important bit is the Ki4)
You can find all this info out in Settings – about phone

5. A prayer to My Lord for safe rooting

6. Go to this page and read all, then select the Kernel that is a match to yours – here – http://forum.xda-developers.com/show....php?t=1103399

7. Since I have Ki4, i had chosen to download this file [CF-Root-SGS2_XW_ODD_Ki4-v4.0-CWM4.zip]

8. Downloaded odin3-v1.85.zip here - http://www.mediafire.com/?wezzl287wb9v9hu
Extract and open the file (no installation...gasp!)
Open and run Odin ready to root your phone
Now select PDA and find the kernel that you downloaded and select

9. You might need to extract the kernel to select it in the PDA

10. Put your phone in download mode (press volume down + ok key + power on), a warning about custom OS flashes, press volume up key to continue.

11. You have pressed volume up key and the phone says that it has entered ODIN mode. it also says the following:
a. product name: GT-i9100
b. Custom Binary Download : No
c. current binary : Samsung Official
d. it also shows the android logo (the robot - big size) and says downloading...Do not turn off target !!

12. After this connected the phone to the computer (remember it is in download mode) and the drivers were installed again.

13. Go to Odin and you should see that under ID.com, there is a yellow background box and it says 0:[COM13]. in the message box (lower left corner) it says <ID:0/013> Added!!

14. Make sure the re-partition box is not checked in odin.

15. Clicked the start button...

16. The phone should install your new kernel and then re-boot it should show a yellow exclamation mark when it reboots.

17. That’s it your phone is now rooted –

Please visit these pages to –

See what you can now do with your rooted phone – http://android.stackexchange.com/que...n-from-rooting

How to remove the yellow exclamation mark on when your phone starts - http://forum.xda-developers.com/show....php?t=1103399
This is on the first page only the 2nd post down

For anyone who is intrested if you want to install Ice Cream Sandwhich (ICS) then vist this page here.
Last edited by The-Hulk; 1st March 2012 at 10:12 AM.
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19th February 2012, 10:50 AM |#2  
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Most of your links are not working.
19th February 2012, 10:56 AM |#3  
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Quote:
Originally Posted by rutgerhoorn

Most of your links are not working.

Links fixed
19th February 2012, 01:48 PM |#4  
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How many more threads on this topic?
If people to time to search and read we would not need yet another thread on the subject...
Still thanks on your time
19th February 2012, 11:51 PM |#5  
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Quote:
Originally Posted by s.d.oconnor

Rooting your Samsung Galaxy S2 i9100
This guide is thanks to capaxdoli, I have just modified it slightly to make it easier to read
If you use this guide to root your phone please go and thank him here - http://forum.xda-developers.com/show....php?t=1126522

Also please give this page a read it is the basics of rooting and should be considered the starting point for all learning to root - http://forum.xda-developers.com/show....php?t=1125282

Also another thanks should go to Chainfire - For his great work on kernels http://forum.xda-developers.com/show....php?t=1103399

1. Make sure your phone has kies 2 and have it install all the drivers.

2. Connected phone for the first time to computer and kies 2 and it recognized it fine.

3. Make sure Kies 2 is also fully updated.

4. The details of my phone are as follows: (please check what yours are)
Samsung Galaxy S2 i9100 (please only use this guide for this phone)
Fireware – 2.3.4
Kernel = XXKI4 (the important bit is the Ki4)
You can find all this info out in Settings – about phone

5. A prayer to My Lord for safe rooting

6. Go to this page and read all, then select the Kernel that is a match to yours – here – http://forum.xda-developers.com/show....php?t=1103399

7. Since I have Ki4, i had chosen to download this file [CF-Root-SGS2_XW_ODD_Ki4-v4.0-CWM4.zip]

8. Downloaded odin3-v1.85.zip here - http://www.mediafire.com/?wezzl287wb9v9hu
Extract and open the file (no installation...gasp!)
Open and run Odin ready to root your phone
Now select PDA and find the kernel that you downloaded and select

9. You might need to extract the kernel to select it in the PDA

10. Put your phone in download mode (press volume down + ok key + power on), a warning about custom OS flashes, press volume up key to continue.

11. You have pressed volume up key and the phone says that it has entered ODIN mode. it also says the following:
a. product name: GT-i9100
b. Custom Binary Download : No
c. current binary : Samsung Official
d. it also shows the android logo (the robot - big size) and says downloading...Do not turn off target !!

12. After this connected the phone to the computer (remember it is in download mode) and the drivers were installed again.

13. Go to Odin and you should see that under ID.com, there is a yellow background box and it says 0:[COM13]. in the message box (lower left corner) it says <ID:0/013> Added!!

14. Make sure the re-partition box is not checked in odin.

15. Clicked the start button...

16. The phone should install your new kernel and then re-boot it should show a yellow exclamation mark when it reboots.

17. That’s it your phone is now rooted –

Please visit these pages to –

See what you can now do with your rooted phone – http://android.stackexchange.com/que...n-from-rooting

How to remove the yellow exclamation mark on when your phone starts - http://forum.xda-developers.com/show....php?t=1103399
This is on the first page only the 2nd post down

For anyone who is intrested if you want to install Ice Cream Sandwhich (ICS) then vist this page here.

nice and thanks =)
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20th February 2012, 12:15 AM |#6  
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Quote:
Originally Posted by York666

nice and thanks =)

Not a problem - dont forget to thank the revelent people
20th February 2012, 12:45 AM |#7  
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This Work in 2.3.5 Too, i tested.
20th February 2012, 03:33 AM |#8  
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Does it work on 2.3.6?
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20th February 2012, 05:26 AM |#9  
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Yes. 10 cha

Quote:
Originally Posted by abbadipod

Does it work on 2.3.6?

20th February 2012, 07:52 AM |#10  
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Quote:
Originally Posted by abbadipod

Does it work on 2.3.6?

Yes it will work on 2.3.6
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