Update Galaxy S2 I9100 XWLSD Android 4.1.2 Jelly Bean Official Firmware

The latest Samsung Galaxy S2 I9100 update XWLSD Android 4.1.2 Jelly Bean now available. Many of Galaxy S2 I9100 users already received this firmware on their smartphone through OTA update. Those who don’t run a custom ROM or don’t rooted their smartphone can also update Galaxy S2 I9100 to XWLSD Android 4.1.2 Jelly Bean firmware using official Samsung utility KIES. Now, if OTA update isn’t available and you can’t use KIES as well to update your Galaxy S2 I9100 to XWLSD Android 4.1.2 Jelly Bean firmware then follow our tutorial for a manual update. You can then easily update your Galaxy S2 I9100 to XWLSD Android 4.1.2 Jelly Bean official stock firmware. This tutorial don’t require a custom recovery such as CWM recovery or a rooted Galaxy S2 I9100 because to install this firmware we will use ODIN utility. After installing official firmware XWLSD Android 4.1.2 Jelly Bean you can always root your Galaxy S2 I9100.

Continue reading this page to install I9100XWLSD Android 4.1.2 Jelly Bean official firmware update in Galaxy S2 I9100 using ODIN. However, before moving towards installation of firmware you should backup your apps and other personal data. Although, installing official firmware restore everything if your Android device was running on official firmware before installing this but it always better to have a backup. Also manual backup let you move your personal data from one manufacturer to another; for example you can use Samsung Galaxy S2 data to HTC Butterfly.

Android 4.1.2 XWLSD Firmware Details:
PDA: I9100XWLSD
CSC: I9100FOPLS4
Version: 4.1.2
Date: 2013-02-04
Regions: Austria, Belgium, France, Germany, Hungary, Italy, Spain, United Kingdom

Pre Requisites:
As there is always some risk involve while you install anything other than what you have presently. It’s always recommended to follow our pre-requisites to stay safe.

1. Backup your important data such as SMS, Call Log, Contacts, APN and MMS settings. You can follow our Android backup guide for this. Also, it’s good idea to backup your internal memory content to external SD card, specially when during following instruction you have to perform some type of wiping task.
2. If your device turn off during the installation process unless explicitly mentioned on this tutorial then it may experience a hard brick. That’s why always check battery percentage before following this tutorial. Usually, the smartphone should have 60% or more power when you flash a custom ROM or firmware and it will be fine on 30% or more if you going to root it. Learn How to Check Battery Percentage in Android Phones.
3. You should make sure, you have installed proper USB driver for Galaxy S2 I9100. Visit our USB Driver Download page. If you can access your mobile content in your PC when both are connected the your already have it.
4. USB Debugging mode should be turned of if it’s disabled otherwise you can’t transfer file using USB cable. Learn: How to Enable/Disable USB Transfer on Android Devices.
5. Another thing you should note that nearly all our tutorial is for carrier unlocked and bootloader unlocked devices. You shouldn’t try to install it on a locked device unless explicitly mentioned.

So, you done everything that we mentioned above, right! Now, you are ready to move towards next step where we summed up detail instruction on how to install XWLSD Android 4.1.2 Jelly Bean official firmware update on Galaxy S2 I9100.

Next Step

We already mentioned some very important steps that you should follow before proceeding for installation of XWLSD Android 4.1.2 Jelly Bean for Galaxy S2 I9100. Now in this page we summed up a detailed step-by-step instruction or guide on how to update Galaxy S2 to Android 4.1.2 XWLSD. If you already used ODIN to install firmware then it should be easy for you but for others we have a simple guide below.
Remember, it’s very important for you to follow everything that we mentioned below to successfully update your Galaxy S2 I9100 to XWLSD Android 4.1.2 Jelly Bean firmware.

Things Your Should Note:

• After installation of official firmware you will lose all additional customization including root, custom recovery (CWM recovery, TWRP Recovery etc.), custom ROM (CM10.1, Paranoid Android, Slim Bean etc.) and MODs. You can always root your device later by following this tutorial: How To Root Galaxy S2 I9100 XWLSD Android 4.1.2 Jelly Bean Firmware. To unroot your device just install any official firmware again.
• Again this tutorial and firmware we mentioned is only for Galaxy S2 I9100, don’t try it in any other Android device.
• As this is official firmware, it won’t void your warranty if you install it.
• Another thing you should note, extract downloaded archive only once and not twice otherwise you won’t get desired files. The only file we must have in an extracted firmware zip is the file with .tar.md5 extension and all other files are optional. That’s why you won’t always get other mentioned file such as modem, csc or pit file after extracting.
• It’s essential to run ODIN as Administrator if your OS have that option. To do so, you should right click on odin.exe file first then click on ‘Run as administrator’ from context menu. Windows XP or lower don’t require this.
• ODIN is designed to work on Windows OS. If you using other Operating system then try out open source cross-platform tool Heimdall.

Complete Installation Tutorial Of I9100XWLSD Android 4.1.2 Jelly Bean Official Firmware

Step 1: Download Android 4.1.2 Jelly Bean I9100XWLSD for Galaxy S2 I9100 and Odin 3.07 in your computer.
Step 2: Extract Firmware zip file at a convenient location in your desktop; you should get a .tar.md5 file and some other files (optional).
Step 3: Now extract Odin zip file and you will get Odin3 v3.07.exe along with few other files.
Step 4: Now turn off your smartphone and wait 5-6 seconds for vibration to confirm complete switch off. Then put your Galaxy S2 I9100 in Download Mode by pressing and holding Volume Down + Home + Power button together until you see a construction Android robot in phone screen. Press Power button again to enter into Download Mode.
Step 5: Now run Odin3 v3.07.exe that you get in Step 3 as an Administrator because Admin privileges is required to complete this installation process smoothly.
Step 6: Now it’s time to connect your Galaxy S2 I9100 with your PC using USB cable. Do it and you will see a message under Odin’s message box in the bottom left saying “Added!!”. If you don’t get it then you should try another USB port (try USB port located in back of your desktop PC cabinet). If this still can’t solve your issue then you should reinstall USB driver for your device. However. if you successfully see the “Added!!” message in Odin then you are ready to go in next step. You should also see COM port with a number in Yellow if you successfully added your device.
Step 7: Select these files from I9100XWLSD folder that you get in Step 2 in Odin at respective buttons:

1. Click the PDA Button, and select the .tar.md5 file here with *code* appearing in its name (required)
2. Click the Phone Button, and select file with *modem* in its name (add it if you only have it in your extracted firmware folder)
3. Click the CSC Button, and select file with *csc* in its name (add it if you only have it in your extracted firmware folder)
4. Click the PIT Button, and select the .pit file. (add it if you only have it in your extracted firmware folder)

Step 8: In Odin window, make sure Auto Reboot and F. Reset Time checkboxes are only two that are selected. Also, make sure that Re-Partition checkbox is selected, only when you added a .pit file (see Step 7.4) in ODIN.
Step 9: To make flashing safe for you double check everything that we mentioned in Step 7 and Step 8 above. Now, once you are ready, hit the START button to begin the flashing process.
Step 10: Once installation is done, your phone will reboot automatically and soon you will see a PASS message with green background in the left-most box at the very top of the Odin. You can then safely unplug the USB cable to disconnect your device from computer.
That’s it! Your Galaxy S2, model number I9100 should now run on Android 4.1.2 Jelly Bean build I9100XWLSD. Go to Settings > About phone to verify this firmware update.
Quick Note:

• Sometime Galaxy S2 I9100 stuck at boot animation after Step 10. If its happen to you then go to recovery mode (press and hold the Volume Up + Home + Power buttons together) and perform Wipe data/Factory Reset as well as Wipe Cache Partition before selecting reboot system now function. In recovery mode you can use Volume keys to navigate between options and Power key to select an option.

If you face any problem then feel free to drop a comment below and we will try our level best to solve it out as soon as possible.