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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/showthread.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/showthread.php?t=1125282
Also another thanks should go to Chainfire - For his great work on kernels http://forum.xda-developers.com/showthread.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/showthread.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/qu...my-phone-now-what-what-do-i-gain-from-rooting
How to remove the yellow exclamation mark on when your phone starts - http://forum.xda-developers.com/showthread.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.
s.d.oconnor said:
3. Do i need Rom Manager, or can i download a rom to my internal usb.
Click to expand...
Click to collapse
No, you don't need Rom Manager. Once you root the device, you download the ROM you want and place it in /sdcard. You can place it there before root but there is no point. Then make backup and flash it with Clockworkmod Recovery.
One advice though: when you download a ROM most developers provide a md5 checksum, check this md5 sum with some md5 checker tool. Then when you transfer it to the sdcard, check the md5 sum again. When they match - flash on. If they don't match you most probably wont brick your phone but it won't flash and you'll have to re-download and check sums.
I am sorry I can't give you an advice on kernels though.
gl hf rooting and flashing.
Thanks for the advice
Hi (den dobryi),
when i rooted my sgs2 i used odin. the process was the following:
1) get odin and read how to use it here - http://forum.xda-developers.com/showthread.php?t=1075278
2) download root kernel here - http://forum.xda-developers.com/showthread.php?t=1103399
3) flash the kernel, reboot and you are done - nazdrave ;]]
I would also like to know can you add any custom SGS2 rom to any rooted phone, i will be flashing with one of chainfire's CF-roots. Also is there a rom for ice cream sandwhich yet and where can i get it, as this is the rom i am after mainly.
P.S thanks for the reply morespama
no worries, the answer is yes - you can switch to any sg2 custom rom - but most require full wipe - so all your data like games/apps//ect will be deleted - read ^a lot of back ups or long sessions of trial and error^.
If you are after ICS rom then its still in Beta and hence the official version is still unavailable. But the latest stable custom version is the one im running - http://forum.xda-developers.com/showthread.php?t=1488063. the only thing is that you may have to ask your network to send you network data/mobile internet setings via sms since the instalation resets them as in my case. other then that perfect native ICS..;]]
Thanks again i might wait for a more stable full release. So if you are switching roms and it wips all yoir data, what is the best way to backup and restore all of your personal setting and apps when moving to a new rom
Sent from my GT-I9100 using XDA App
I use Titanium Backup, you can get it cracked all over google or at ipmart-forum.com
Thanks again, i have just rooted my phone, so simple when it comes down to it, although i just wanted to make sure i did not miss anything. My next stage is to install a custom rom so i better get down to geeking up on this now. Also i think i will post how i did this in this thread, as i think i can explain the very basics to people.
Thanks for your help, i hope you accept my friend request.
Glad to help. Flashing rom is probably easier then rooting ). Pm me if you need help.
Update of links
Getting ICS - http://teamhacksung.org/wiki/index.php/Experimental:GT-I9100:How_to_install
Discussion Thread on ICS - http://forum.xda-developers.com/showthread.php?t=1419102&page=726
Intrested in other more stable roms then visit -
Thread - http://forum.xda-developers.com/showthread.php?t=1176411
Website - http://www.cyanogenmod.com/devices/samsung-galaxy-s2
Hi there
Having spent most of yesterday evening trying to work out why my attempt to root my S2 failed whilst getting confused with rooting, roms, kernels etc, I spent the rest of the evening trying to find an idiot's guide to it all, I did not find one.
When I rooted my HTC Hero I find a very helpful idiot's guide that both guided me through the process of rooting, and explained, in layman's terms, how the different bits worked together; I would love to find such a guide for the S2.
I have found some semi-helpful guides to how to root, but these were still written in rather technical language. i.e."install the unsecure kernel then the CWM will update from the download screen; however if you update the ROM an unsecure is not needed because they include a kernel" add to this things like wiping the partition etc it seemed rather confusing, which I am sure it is not, I just need it explaining in layman terms so i can see how the jigsaw fits together.
Having probably been too screened out last night I could well have missed the idiot's guide, so apologies if I did; would you be able to point me in the right direction please?
Thanks
Andy
http://forum.xda-developers.com/showthread.php?t=1103399
Follow the "Instructions - ODIN (long)"
That is helpful, thanks.
Unfortunately it still does not make much sense
"This rooted kernel is for the "rooting beginners" and those who want to keep as close to stock as possible. CF-Root takes the kernel from an original Samsung firmware, and just adds root, busybox, and ClockWorkMod (CWM4/5) recovery
THIS IS NOT A ROM - it is only a modified kernel. You need to have the relevant firmware already on your device. You do NOT need to wipe anything for this patch. You DO need to read the instructions. PLEASE READ THIS ENTIRE POST!"
I have no idea what this means. What is a kernel, firmware, CWM etc. What is the difference between this and a ROM (which it is not for some reason)?
I know these might be as simple as asking the difference between a letter and a number, but I have yet to come across a clear explanation.
AR2000Dwain said:
That is helpful, thanks.
Unfortunately it still does not make much sense
"This rooted kernel is for the "rooting beginners" and those who want to keep as close to stock as possible. CF-Root takes the kernel from an original Samsung firmware, and just adds root, busybox, and ClockWorkMod (CWM4/5) recovery
THIS IS NOT A ROM - it is only a modified kernel. You need to have the relevant firmware already on your device. You do NOT need to wipe anything for this patch. You DO need to read the instructions. PLEASE READ THIS ENTIRE POST!"
I have no idea what this means. What is a kernel, firmware, CWM etc. What is the difference between this and a ROM (which it is not for some reason)?
I know these might be as simple as asking the difference between a letter and a number, but I have yet to come across a clear explanation.
Click to expand...
Click to collapse
1) what is a kernel?
A)The central module of an operating system. It is the part of the operating system that loads first, and it remains in main memory. Because it stays in memory, it is important for the kernel to be as small as possible while still providing all the essential services required by other parts of the operating system and applications. Typically, the kernel is responsible for memory management, process and task management, and disk management.
The definition of kernel is "the portion of an OS (Operating System) that is responsible for interacting with the hardware. It is the operating system software that runs in kernel mode on the computer's processor and which provides low-level intelligence for the operating system. In other words, the kernel is the "heart" of an operating system.
2) What is a Rom?
A) its a mobile operating system for ur phone, just like windows xp or windows 7 for ur computer.
3) what is CWM?
A) CWM- Clock Work Mod , its a custom recovery where u can choose to install custom roms,kernels,themes etc and also u can wipe data,format system etc
hope the above Info will be of some help 2 u
OK. Best bit of advice I can give you is to read the Stickies. Thoroughly. There are no shortcuts. Taking shortcuts leads to borked phones.
The answers to all your questions are in those threads. Yes, you have to do some reading/learning, but that's the way it is (refer to/read my comment above again re: borked phones).
How to install Xenon ROM - I am new
I am new in installing ROMs and rooting the phone.
I have a lot of info about different ROMs and methods how to install it.
I am interested in installing
[ROM][ICS 4.0.3] Xenon ROM v1.1 [18/6/12][Themed + Touchwiz][CF-Root][XWLPD]
I have rooted my phone using the following method:
[GUIDE] ROOT/UNROOT Stock ICS Firmware without flashing unsecure kernel
As per installation instruction of Xenon ROM, I have to Choose "install zip from sdcard", but instead of it, I have only "install zip from sdcard or external SD"- is it the same?
Please advise, if possible with links what should I do.
Thank you very much for your support and patience.
gersla said:
As per installation instruction of Xenon ROM, I have to Choose "install zip from sdcard", but instead of it, I have only "install zip from sdcard or external SD"- is it the same?
Please advise, if possible with links what should I do.
Thank you very much for your support and patience.
Click to expand...
Click to collapse
Yes, select that option. It will take u to the next screen where you have to select the zip file you have copied. Navigate to the path where the zip file is and install.
iamafrk said:
Yes, select that option. It will take u to the next screen where you have to select the zip file you have copied. Navigate to the path where the zip file is and install.
Click to expand...
Click to collapse
Just tried, and got a message "E:signature verification failed",
Please advise,
gersla said:
Just tried, and got a message "E:signature verification failed",
Please advise,
Click to expand...
Click to collapse
Because of the way you've rooted, you still have stock recovery. To achieve what you want, follow the first four steps of your link first.
oinkylicious said:
Because of the way you've rooted, you still have stock recovery. To achieve what you want, follow the first four steps of your link first.
Click to expand...
Click to collapse
If I understand correctly I have to flash Cf-Root or Clockworkmod- what is better and less risky?
I am using the following original ROM - see below.
Model: GT-I9100T
Android Version: 4.0.3
Baseband version: I9100TJILP9
Kernel version: [email protected]#3
Please advise,
To [Q] of AR2000.
Go through STICKY THREAD in the starting to clear most of your ideas.(you will find sticky thread as soon as you open Galaxy S2 General Forum in xda)
Also i found this thread pretty helpful during my root it has step by step explanation in simple language.
http://forum.xda-developers.com/show....php?t=1126522
Also you are still in the root phase but when once you done with rooting BEFORE you move on to FLASHING check this tread out for sure
http://forum.xda-developers.com/showthread.php?t=1502526
gersla said:
If I understand correctly I have to flash Cf-Root or Clockworkmod- what is better and less risky?
I am using the following original ROM - see below.
Model: GT-I9100T
Android Version: 4.0.3
Baseband version: I9100TJILP9
Kernel version: [email protected]#3
Please advise,
Click to expand...
Click to collapse
Finally, I did it using:
1. [GUIDE] ROOT/UNROOT Stock ICS Firmware without flashing unsecure kernel
2. I installed ROM Manager from a marked, and CWM using this program.
3. Rebooted in to recovery mode.
4. Done
After it I changed at least 5 ROMs!!! now yellow triangle!
Stayed with ☆☆☆☆☆[ROM-ICS]-[--VK--™]-[-XWLPG-V5.1.2]-[Fast-Stable]-[Jkay Support]-[MultiLanguage]
Android 4.3
I'm a noob at this and it is my first time. As the title says how to root a s3? So if any of you's know how to root it and/or know how to get ODIN please let me know?
Please Try to answer me questions below:
---Any Threads or something that's trusted to work while rooting.
---Whats the difference between Nandroid and backing up something on CWM?
---Can i backup my stock rom?
---How to Flash roms?
Go to this thread and read very carefully..make sure to download the correct files. You can download Odin here too:
http://forum.xda-developers.com/showthread.php?t=1957273
1. A nandroid backup(of your whole ROM(system and user data) is done through a custom recovery such as CWM, TWRP, Philz Touch Recovery
2. Yes you can backup your stock ROM but you have to be rooted and need a custom recovery like the ones mentioned above to do the nandroid backup. Here's philz touch recovery: http://forum.xda-developers.com/showthread.php?t=2002953
Again follow the instructions closely. Ask questions if needed.
3. Custom Roms can be downloaded here on xda and flashed/installed through your custom recovery
Sent from a "Galaxy" far, far away with my Ultra Ray Gun
---------- Post added at 12:48 PM ---------- Previous post was at 12:23 PM ----------
Here's another thread for installing via odin: http://forum.xda-developers.com/showthread.php?t=1671969
Sent from a "Galaxy" far, far away with my Ultra Ray Gun
i cant connect my s3 to odin
i cant connect my s3 to odin. i tried every thing. please help.
Hi, do I loose any data if I just root my S3 or can I root it without any data loss?
Akantinuris said:
Hi, do I loose any data if I just root my S3 or can I root it without any data loss?
Click to expand...
Click to collapse
It's very unlikly to loose your data with root, but it's possible, I would say I rooted like 20 Smartphones, no one ever lost the data.
Tkkg1994 said:
It's very unlikly to loose your data with root, but it's possible, I would say I rooted like 20 Smartphones, no one ever lost the data.
Click to expand...
Click to collapse
Thanks, I want to root my Dad's S3 (to get rid of most of the bloatware), but he does not want to set it up from scratch.
same scenario with what my cousin wants..
I found that using the TowelRoot.apk file helped and made the transition to root very fast (I did this on a android version 4.4.2 - Samsung Galaxy S3 - SPH-L710)
1.) Go to Settings > Security > and opt in Unknown Sources to allow install third-party apps
2.) Download Towelroot apk
towelroot .org
3.) Run towelroot.apk file
4.) Click install.
5.) Grant permission to install if your device says "It's not recommended to install towelroot.apk."
(Some virus protection apps will say this is malicious.)
6.) Wait while installation completes.
7.) Run installed Towelroot.
8.) Click on "Make it ra1n"
From there it'll reboot. After that I would install the SuperSU, busy box x, and a root checker app. Then I would explorer more of XDA's apps and themes threads/posts. Very helpful for a first timer. Hope this helps.
Not helpful, you posted in the wrong forum -you don't have an i9300 so this won't work for anyone here.
[Q&A] [04.12.2012][ICS/JB]Universal Rooting for most phones, Any ROM, now with CWM6
Q&A for [04.12.2012][ICS/JB]Universal Rooting for most phones, Any ROM, now with CWM6
Some developers prefer that questions remain separate from their main development thread to help keep things organized. Placing your question within this thread will increase its chances of being answered by a member of the community or by the developer.
Before posting, please use the forum search and read through the discussion thread for [04.12.2012][ICS/JB]Universal Rooting for most phones, Any ROM, now with CWM6. If you can't find an answer, post it here, being sure to give as much information as possible (firmware version, steps to reproduce, logcat if available) so that you can get help.
Thanks for understanding and for helping to keep XDA neat and tidy!
Hello, n00b post.
I'm attempting to root my phone using the following method. I've flashed my phone in recovery using odin and philz xwlsy md5 file. What do I need to do next? I'm attempting the following method..
Odin packages instructions: ready for rootThey come in the form of .tar.md5 fileboot into download modestart odin3 and configure it as in picture belowconnect phone in download mode to PC via USBpress start to flash the tar.md5 packageto root, download the root file from here (Method 1) :*http://forum.xda-developers.com/show....php?t=1746794
For most (if not all?) ICS phones having a CWM image atClockworkmod*site:Quoteownload attached*cwm-touch-6.0.x.x-i9100.zipfor the i9100 Galaxy S2.*This is the touch version but it also works with volume up/down keys and power button to select menu.CWM6 is now thought to be probably safe for wipe, no superbrick risks under ICS 4.0.4:*read more hereI also attached the cwm6 non touch version and the*recovery-clockwork-4.0.1.5-galaxys2.zip. CWM4 is also confirmed to be safe for wipe byEntropy512*Recognized DeveloperFor other phones, download the cwm image from here*http://clockworkmod.com/rommanager.Put the previously downloaded*cwm-touch-6.0.x.x-i9100.zip*file on your*external*sd cardDownload the attached root file you want as per instructions aboveI advise Chainfire SuperSU for 2 reasons: it lets you unroot from within superSU application and it lets you migrate to ChainsDD superuser if you like laterCopy the*Root_XXX.zip*file you downloaded tointernal or external*sd cardBoot into stock recovery*(volume up+home+power), and select*"apply update from external storage". Now select the*cwm-touch-6.x.x.x-i9100.zip*file you copied in previous step (this step gives a temporary flash that will disappear after reboot)You get CWM recovery interface (this custom recovery is temporary, not permanent)Inside CWM, select*"install zip from sdcard". Then, select*"choose zip from sdcard". Now, scroll down to the*"Root_XXX.zip"*file and hit power button to install it.It will add SuperSU or Supe
---------- Post added at 12:36 PM ---------- Previous post was at 11:50 AM ----------
So im guessing I use philZ md5 file then boot from the cwm into the root file? Via internal sd ? Is there an easy way without the sd? Thanks
Sorry everyone if my question looks noob,
I'm confused about what method is best suitable for my phone.
I want to root so to have full access and make a backup before upgrading to stock rom 4.1.2.
My phone: Samsung S2 GT-I9100 international, stock rom 4.0.4
What information do you need?
I think that I got all information about my phone but the whole bunch of numbers confuse and scare me a bit.
Thanks in advance.
Edit: even more confused now since my questions didn't appear into the related thread: http://forum.xda-developers.com/galaxy-s2/orig-development/04-12-2012-universal-rooting-phones-rom-t1746794/page64
xda portal sucks balls
look this ****ing crap on the side is pissing me off i cant see what people typed behind it how the **** i **** it off for good or do i just block the **** through element or veiw source worsest **** i have ever seen mnakes me not wont to research on this site plzz help me
rooted OneTouch918D
Hello,
I've rooted the mentioned phone with 'Kingo-Root', which said successfull and installed a 'Superuser'-App.
Then I've installed ROM-Manager sucessfully, but in the recovery mode there is no option 'install zip from SD-card'.
I also can't install custom ROMs, which I found with your website (for example 'deep ROM -zip'). It says 'signature failure...'.
Have I choosen th wrong rooting method, or have I to combine it which other steps afterwards?
I also don't find a cyanogenmod version to install for this phone.
I finally want to get full access and control over all permissions (aim is xprivacy or so), so to ocnfigure every app for my own.
What can you advice me?
There are so many topics on how to root, flash and install the X10, but they're all pretty old and most of them are based on Sony PC Companion, that, as far as I know, isn't available for Linux.
I am guessing that people who are upgrading their X10s to the newest FeraLab versions can do the entire procedure in the blink of an eye. So can you please help me make a quick checklist of the required steps? I'll dig on my own for all the details required by each step.
I just need a "structure" to follow. Let's say a "broader view".
A few days ago I've received an X10i with Android 2.3.3. running on it.
It hasn't been rooted.
How can I check if the bootloader is locked or not?
Note: I've no data to backup on the phone. It's all in its factory default settings with no content on it.
I've downloaded and I'm currently running the latest version of Flashtool on Arch Linux (64bit). It works.
I've also download FeraLab Kernel v28-beta4.
Then I've FeraLab Firmware v40. I couldn't get the latest version (v40.2) since the uploaded.net link doesn't work, at least not for me.
Now, this is what I came up to after reading the most recent threads that I've found here.
Please correct me if I am wrong.
1) Should I click on the "Flash device" icon (top left) and then "flash" the .ftf file of the FeraKernel?
2) Should I "push .ko files to /system/lib/modules/" and restart?
3) Now should I install the v40 ROM using the same procedure of step 1)?
4) In order to do that I think I've to follow FeraVolt steps, right?
-> Boot-up to CWM6 Recovery & just straightly install ROM following AROMA installation wizard.
-> After installation, boot your phone, pass setup wizard and wait 2 minutes. Reboot again.
-> On second boot wait not less than 2 minutes again & reboot.
-> Done. Do a reboot after you've configured your phone. Hit 'Thanks' button and rate this thread if you like my work or consider donating me to let me to have a good dinner.
Am I about to follow the right steps? Or am I doing something wrong?
What about rooting the phone and unlocking the bootloader?
Thanks for helping a n00b!
First, download both the rom and kernel. Put the rom on your sd-card and the kernel (.ftf) inside the firmware folder in flashtool.
Root the phone, then flash the kernel, and from the recovery instal the new rom (don't forget to make a backup first).
Hope this clears it up a bit.
Sent from my KIS PLUS using Tapatalk 2