Update Galaxy S2 I9100 to XWLST Jelly Bean 4.1.2

Galaxy S2 by Samsung has a very wide user base because when it was released, It

was the fastest phone and many people bought this phone. Because of it's popularity

Samsung is still releasing software updates for this device.


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Notes:

* You must have Samsung Kies Installed for your phone.
* If Samsung Kies is running in background than stop it or else Updating will fail.

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Steps to Update: 


* Download Odin v3.07 here

* Download XWLST Firmware here

* Extract the Firmware File you downloaded right now.

* Run ODIN.

 * Select PDA in Odin and locate "I9100XWLST_I9100ODDLSE_I9100DDLS9_HOME.tar.md5" file from the firmware package.

* Be 100% sure that Re-Partition box is not checked.

* Don't touch any other options or you will regret it.

* Start Phone in download Mode:
- Switch Off Phone.
- Wait 5 Seconds.
- Now Press Volume Down + Home + Power button together in the series as  I said.
- Keep them pressed till phone starts and shows you an android robot.


* Connect your phone to PC via USB.

*  ID:COM section of ODIN will turn blue and show you a com port number for your phone.
(If this doesn't happens than read the note section above.)

* Press Start button in ODIN.

* Wait 5 minutes.

* ODIN will show Pass and your phone will restart automatically.

* Remove phone from USB Cable.

* Done.

Congrats now you have Latest Android 4.1.2 on your Phone.