How to Install Official Android 4.1.2 XWLSJ Jelly Bean Update on Galaxy S2 I9100 Android Phone
The recent official Android 4.1.2 XWLSJ firmware update brings some cool feature enhancements to Galaxy S2 I9100 along with minor bug fixes. Ink Effect On Lock Screen, new customisable notifications panel, TouchWiz Nature UX, Samsung’s S Cloud services, New Features like Direct Call, Smart Stay and Pop-up Play, Free 50GB Dropbox Storage and 4.2 Keyboard with Swipe feature are the some of the enhancements this official Galaxy S2 firmware update brings. This update is meant for Russian users. But it can be installed on any international version of Galaxy S2. Here is the ultimate tutorial to help you install Official Android 4.1.2 XWLSJ Jelly Bean Update on Galaxy S2 I9100.
Prerequisites or Points to Note Before Heading to Galaxy S2 Firmware Update
Disclaimer : This tutorial is for informative purpose only. We will not be held responsible for any loss or damages arises from this.
Ensure that your device is unlocked.
This tutorial is only applicable to international variant Galaxy S2 I9100.
Install thie Galaxy S2 USB Drivers for Computer
Back up data and settings using custom recovery tools such as ClockworkMod or TWRP.
Ensure that your phone is fully charged.
Enable USB Debugging mode. You can check it by navigating to Settings -> Developer Options or go to Settings -> Applications > Development (depending on your OS version)
Complete Installation Guide on Official Android 4.1.2 XWLSJ Jelly Bean Update on Galaxy S2 I9100
Download official Android 4.1.2 I9100XWLSJ firmware on the computer. Extract the zip file.
Now turn off the phone and boot it into Download Mode. To do it;
Press and hold together the volume down and home buttons. Then tap the Power button and wait until the construction Android robot icon with a triangle appears on screen. Now hit the Power button again to progress into Download Mode.
On you computer launch ODIN and connect the phone via USB cable to it.
After successful connection one of the ID: COM boxes indicates Yellow with the port number corresponding to it.
From the extracted firmware zip files, choose the necessary files to flash the firmware on phone.
– Click the ‘PDA’ check-box and choose the file named ‘.tar’ or ‘.md5′.
– Select the ‘Phone’ check-box and choose the file named ‘MODEM’. Simply ignore if not found.
– Tap the ‘CSC’ check-box and choose the file named ‘CSC’. Simply ignore if not found.
– Choose the ‘PIT’ check-box and select the .pit file. Simply ignore if not found.
Enable Auto Reboot and F. Reset Time options In ODIN. Note that the Re-Partition option must be checked ONLY if a .PIT file was chosen in the previous step.
In ODIN hit the Start button to begin the official firmware installation process.
After successful completion of the firmware installation, the phone will reboot. That’s all.
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