As a continuation of the post How To Manually Update Samsung Galaxy S2 to Stock Jelly Bean 4.1.2 I9100XXLSJ ?, in this post i am writing about the method to root Samsung Galaxy S2 Jelly Bean 4.1.2 XXLSJ. This method of rooting is more secure and simple. You dont need to install any insecure kernel and you dont need to use any third party tools, Just install the provided zip package from stock recovery.

We should thank to XDA senior member PhilZ for the zip package with a short time. The package contains root files , CWM6 and SuperSu.

Warning : Rooting will void phones Warrenty ! Rooting / Flashing may brick your phone ! We are not responsible for any damage do at your risk !

Note:
1. Backup Importent Data
2. Battery charge must be 60% or more

Root Galaxy S2 Jelly Bean 4.1.2 XXLSJ using zip package

1. Download 4.1.2 XXLSJ Root zip package from here (v3.75)
2. Copy the downloaded zip package XXLSJ-ROOT-CWM6.zip to external SD card.
3. Switch off your phone and wait till vibrate.
4. Boot in to stock recovery ( Volume up + Home + Power )
5. In recovery select apply update from external storage.



6. Select copied zip file XXLSJ-ROOT-CWM6.zip


7. After installation ....select reboot system now...

Thats it...Now you are successfully rooted Galaxy S2 4.1.2 XXLSJ.

Samsung started rolling out Android 4.1.2 to Galaxy S2 International variant (I9100). So far this is the major update to Galaxy S2 by Samsung. Through Kies or OTA this Official update is available only for some selected countries.

If your phone not showing any update dont worry , Samsung will provide the update very soon to Your country or you can manually install the update by following the simple steps here.

Some great features in the new Jelly Bean Update:
- Buttery Smooth Performance & Great Stability
- Full User Interface Revamp (Same UI as of the Galaxy S III and Galaxy Note II)
- TouchWiz Nature UX
- S Cloud services by Samsung
- Improved Camera features
- New Lockscreen With Many Customization Options
- New Features like Direct Call, Smart Stay and Pop-up Play
- New Widgets (From Galaxy S III)
- 2 Home screen modes
- New Notification bar With More Notification Toggles
- Google Now

Firmware Details:
Android Version: 4.1.2 – Build JZO54K
PDA: I9100XWLS8
CSC: I9100FOPLS3
MODEM: I9100XXLS8
Changelist: 816988
Build Date: 14 January 2013

Must Note :
1. This update only for Samsung Galaxy S2 International variant I9100
2. Make sure that your phone is factory unlocked not locked for specific carrier
3. Backup All the Data in your Phone
4. Your Phone Charge Must Be 80% or above
5. Enable USB Debugging
6. Make sure you have installed Kies or S2 driver
7. Exit Antivirus, Kies etc .. before start flashing.

How To manually update Galaxy S2 I9100 to Official Android Jelly Bean 4.1.2 XWLS8?

1. Search Samfirm to download the Specific 4.1.2 to your country Or Download Galaxy S2 4.1.2 XWLS8 (Spain) firmware and Extract it to PC
2. Download Odin3 v1.85 and Extract it
3. Power off and boot Galaxy S2 in to download mode. ( Volume down + Home + Power )
4. In download mode connect your phone to PC.
5. Now Open Odin 1.85 and look in to ID:COM box it will be yellow with a port name and a "Added!" message will be displayed in Message box.
6. In Odin..Click PDA and select I9100XWLS8_I9100XXLS8_I9100FOPLS3_HOME.tar.md5 from Extracted firmwares folder.

7. Click Start button. Odin will show PASS on top left and phone will reboot.

Thats it done ....You are succefully flashed your Galaxy S2 to Official Android Jellybean 4.1.2.
If you face boot loop after flashing ...go to recovery mode and do a factory reset and wipe cache....done...

ROOT FOR GALAXY S2 4.1.2 XWLS8 IS AVAILABLE HERE

1. Download 4.0.4 XWLPX Root zip package from here
2. Copy the downloaded zip package XWLPX-ROOT-CWM6.zip to external SD card.
3. Switch off your phone and wait till vibrate.
4. Boot in to stock recovery ( Volume up + Home + Power )
5. In recovery select apply update from external storage.


6. Select copied zip file XWLPX-ROOT-CWM6.zip



7. After installation ....select reboot system now...

Thats it...Now you are successfully rooted Galaxy S2 4.0.4 XWLPX.

Method 2: Root 4.0.4 XWLPX with insecure kernel ans Samsung Quick Root

Flash Insecure Kernel On Galaxy S2 4.0.4 XWLPX

1. Download Odin from here and extract it.
2. Download kernel from here and extract it.
3. Open Odin in your PC.
4. Power off Galaxy s2.
5. Now boot the phone in to download mode. ( Press and hold : Volume down key and Home button ( Center button ) ,now press and hold the power button to boot in to download mode)
6. In download mode connect your phone to PC.
7. Now look in Odin... ID:COM box will be yellow with a port name and Added! message will be displayed.

8. In Odin..Click PDA and browse the downloaded kernel file PhilZ-cwm6-XWLPX-NEE-2.0.tar.md5 and Click Start.
9. After complete flash Odin will show PASS on top left and phone will reboot.

Thats it... If you have done everything correctly, you will notice a Yellow Triangle with an exclamation mark on the boot screen when the device is starting up. This indicates you are running an Insecure Kernel with Temp Root priviledges.

Root Galaxy S2 4.0.4 XWLPX

1. Download latest version of Samsung Quick Root from here and extract it.
2. Connect your mobile (keep in power on state) to PC.
3. Open Samsung Quick Root.
4. Click Root Device button and wait the phone to reboot.



Thats it...Now you are successfully rooted your device.

Do you have Samsung Galaxy S2 ? Do you want to experience the pure android in it ? the here it is. This post describe the steps to flash Jellybean 4.2.2 based custom ROM Super Nexus 2.0 on Samsung Galaxy S2.

There are many custom ROMs in XDA but i like Super Nexus ROM. I started using this ROM since its 4.0.4 build and i am really satisfied with it. In my Galaxy S2 ,now i am using Super Nexus 2.0 build 3. Its really smooth. Thanks to Faryaab for making this amazing ROM.

Super Nexus 2.0 gives vanilla android experience like Googles nexus devices. The ROM is entirely built from Googles AOSP Source with lot of improvements and optimizations and removed all the third party apps(ZERO Bloatware).

Update:
I was using XWLS8 4.1.2 now again switched back to Super Nexus 2.0. Now its on Android 4.2.2 the latest one recently started giving to Nexus device only.

System Details:
- Android 4.2.2 Jelly Bean (JOP40D - Android-4.2.2_r1)
- Latest CM Kernel
- All Jelly Bean Features and Apps (Nothing excluded from AOSP)
- No Visual Changes!
- Stock Jelly Bean Look and Feel

ROM Features:
Show / Hide Content

Note:
- Phone must be rooted and Clockworkmod Recovery (CWM) installed.
- Backup your data
- battery must be 70% or above.
- download links provided on this post is only for Galaxy S2 i9100 .. if you have a different device visit forum thread to get download link.

Note from developer
Philz kernel and recovery causes some kind of issues with AOSP ROM installations, please use CF-Root, Siyah, CM or Dorimanx kernel before flashing SuperNexus.

Disclaimer : Rooting / Flashing may brick your phone we are not responsible for any damage. Do at your risk.

How to flash Super Nexus 2.0 on Galaxy S2 i9100

1. Download Super Nexus 2.0 BUILD 3 From XDA threadfrom here
2. Download Gapps for Jelly Bean from here
3. Copy both downloaded files to internal SD card.
4. Switch off your phone and wait till vibrate.
5. Boot in to Clockworkmod recovery ( Volume up + Home + Power )
6. Do a Wipe data/factory reset.
7. select install zip from sdcard.
8. select choose zip from internal sdcard.
9. select SuperNexus-2.0-i9100-BUILD3.zip and install..after installation.
10. select gapps-jb-20121212-signed.zip and install...after installation.
11. select reboot system now.

Thats it wait till the phone reboots...!

Note:
1. Backup Importent Data
2. Battery charge must be 60% or more
3. Phone must be Galaxy S2 I9100 on 4.0.4 XWLPW

Root Samsung Galaxy S2 4.0.4 XWLPW

1. Download 4.0.4 XWLPW Root zip package from here
2. Copy the downloaded zip package XWLPW-ROOT-CWM6.zip to external SD card.
3. Switch off your phone and wait till vibrate.
4. Boot in to stock recovery ( Volume up + Home + Power )
5. In recovery select apply update from external storage.



6. Select copied zip file XWLPW-ROOT-CWM6.zip



7. After installation ....select reboot system now...

Thats it...Now you are successfully rooted Galaxy S2 4.0.4 XWLPW.

Yesterday i was posted How To Flash Official Android Jelly Bean 4.1.2 XWLS8 on Galaxy S2 I9100 ? as a continuation of that post ,today i am writing the method to root the Galaxy S2 Official Jelly Bean 4.1.2 XWLS8 update. Like the previous root methods i was posted here .. this method also simple and secure as it is not using any root tools or insecure kernel.

The method is simple .. just install the provided zip package from stock recovery. The zip package is created by XDA senior member PhilZ.(thanks for making this).Please check the firmware details..... if your phone have the same firmware below then you can install this zip in your phone..otherwise dont try it.

Firmware Details:
Android Version: 4.1.2 – Build JZO54K
PDA: I9100XWLS8
CSC: I9100FOPLS3
MODEM: I9100XXLS8

Must Note:
- This root package is only for International Galaxy S2 I9100 Android 4.1.2 XWLS8.
- Backup Impotent Data.
- Battery Charge Must be 60% or above.

* Rooting may void warranty or it may brick your phone ..we are not responsible for anything ..do at your risk.

Root Galaxy S2 Official Jelly Bean 4.1.2 XWLS8

1. Download 4.1.2 XWLS8 Root zip package from here (v4.0 B22)
2. Copy the downloaded zip package XWLS8-ROOT-CWM6.zip to external SD card.
3. Switch off your phone and wait till vibrate.
4. Boot in to stock recovery ( Volume up + Home + Power )
5. In recovery select apply update from external storage.



6. Select copied zip file XWLS8-ROOT-CWM6.zip



Thats it...Now you are successfully rooted Galaxy S2 I9100 Jelly Bean 4.1.2 XWLS8.

Yes Stock Jelly Bean 4.1.2 is available for Samsung Galaxy S2. It is an unofficial first leak of GS2 Jelly Bean leaked by XDA member izap and shared by SamMobile. Even a leaked unofficial one it is really stable. This leak included most of the Jelly Bean features included in official release.

Some Notable Features included in Galaxy S2 4.1.2 I9100XXLSJ update:
- Project Butter
- TouchWiz Nature UX (Same UI as of the Galaxy S III and Galaxy Note II)
- Samsung’s Cloud services
- Direct Call, Smart Stay and Pop-up Play Features
- New Widgets From the Galaxy S III
- 2 Home screen modes
- New Notifications bar
- Google Now

Firmware Details:
Android Version: 4.1.2 – JZO54K (Jelly Bean)
PDA: I9100XXLSJ
CSC: I9100OXXLS1
MODEM: I9100XXLS6

Note :
1. Backup your important data.
2. Enable USB debugging in your phone.
3. Battery must have 60% or more charge.
4. Disable or Exit Antivirus and Kies if you are installed.
5. Your PC must install Kies or Galaxy S2 driver.
6. This ROM is only for Galaxy S2 I9100 international version.

* We are not responsible for any damage ...do at your risk.

Note:

This is Old Leaked Firmware... Latest Official Android 4.1.2 is available ... Click Here for the Latest one...

How Flash Jelly Bean 4.1.2 I9100XXLSJ on Galaxy S2 using Odin3 v1.85

1. Download Firmwares from here
2. Download Odin3 v1.85 from here
3. Extract the update file I9100XXLSJ_I9100OXXLS1_OXX.zip( You will get 6 files )
- CHECKSUM.md5
- CODE_I9100XXLSJ.tar
- CSC_HOME_OXX_I9100OXXLS1.tar
- emmc_EXT4_16GB.pit
- emmc_EXT4_32GB.pit
- MODEM_I9100XXLS6.tar
4. Now, Extract and Open odin3 v1.85.exe.
5. Power off Galaxy S2.
6. Now boot in to download mode. ( Volume down + Home button + power button )
7. In download mode connect your phone to PC.
8. Now look in Odin... ID:COM box will be yellow with a port name and Added! message will be displayed.
9. In Odin..Click PDA ,PHONE, CSE and select corresponding files
- PDA - CODE_I9100XXLSJ.tar
- PHONE - MODEM_I9100XXLS6.tar
- CSC - CSC_HOME_OXX_I9100OXXLS1.tar



10. Click Start button.
11. After complete update Odin will show PASS on top left and phone will reboot. now unplug phone from USB.



Thats it Done ! You are successfully updated Galaxy S2 to Jelly Bean 4.1.2

Root Galaxy S2 Jelly Bean 4.1.2 XXLSJ Here