Now you will need to factory reset the phone in order to ensure proper functioning of this firmware.Easy Firmware, Download Firmware, Software and Mobile Flash Files.Extract firmware package (.zip file) to any convenient location on your PC.We should not be held responsible for any damage happened to your device, while performing below mentioned steps.Install Clockworkmod Recovery (CWM) on Samsung Galaxy S2 I9100.

Using this guide on any other model or variant (of S2) might give you undesired results.If your phone is connected successfully, youll see that the ID:COM section (located at top left) is turned blue with a random COM port number appeared below it.While holding both buttons, simply press Power key till you see the warning message appeared on your phone screen.After performing required actions in recovery, finally hit reboot system now option to restart the phone.As far as competition is concerned, manufacturers are trying their best to keep their customers happy.Download Android 4.1.2 UCMD8 Jelly Bean Firmware Package from the link provided below.How to Install Incompatible Android Apps from Google Play Store.Disable all security related software (like Antivirus) installed on your PC.

Download Odin Multi Downloader v3.07 (Firmware flashing Program).The same is also rolled out for most of the carrier locked variants of Galaxy S2.Disclaimer: Steps mentioned in this article are considered as risky and can cause damage to your phone.We highly recommend that you should think once before implementing it on your phone.Currently, there are many manufactures that are offering Android OS on their devices.Switch off the phone (you can do this by removing battery or pressing power button).

Smart Rotation (Screen Display adjusts to your angle of sightings).Finally, hit the Start button to initiate the flashing process of Jelly Bean firmware on your Galaxy S2 i777.Recently, Samsung has rolled out Android 4.1.2 Jelly Bean update for their Legendary phone Galaxy S2.Multi-View Feature (Multi Windows Multitasking, same as in Galaxy Note 2).Zip Code. Date of. (Stagefright) I777UCMD8 06/11/2013 Android 4.1.2 Jelly Bean Update. 4 of 15 Top Solutions for Galaxy SII (AT&T).Device specific drivers (Samsung Drivers) are necessary and must be installed on your computer in order to make the phone recognized by PC.Unplug the device from Computer (only if you get pass message in Odin).

Just install Samsung drivers using the link mentioned in Pre-requisites).Continues Input in Samsung Keyboard (Like Skype or Android 4.2 Keyboard).You will observe that the phone is taking longer time to boot (than usual) but dont worry, this is for the first time only.

You can release Power button as soon as Samsung logo appears.