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Official Samsung Galaxy S2 Android 4.1 Update Now Available Under The Counter

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Owners of the Samsung Galaxy S2 I9100, the international version, have received an update to Jelly Bean and the firmware has the name of ZSLSE. It has been released for regions including China, Taiwan and Hong Kong. It is an unbranded firmware and it comes with Chinese pack languages. If you have the international version of the handset you can install it, regardless of your location. Of course your handset does have to be unlocked.

The firmware has not received any modifications and it is not classed as being a custom ROM. Therefore it doesn’t come with the ClockwordMod recovery tools for flashing an update.

Features of the update include Project butter, the Touchwiz Nature US interface, S Cloud services, a lock screen which is customisable, Direct Call, Smart Stay, Pop up Play, 50 GB of Dropbox storage, two different home screen modes and Google Now.

How to Install Official Android 4.1.2 ZSLSE Jelly Bean Update on Galaxy S2 I9100

Step 1 – Download Android 4.1.2 ZSLSE  official firmware for Galaxy S2 on the computer and extract the zip file.

Step 2 – Download ODIN v1.85  which is needed for installing the official Android 4.1.2 XSLSE Jelly Bean update on Galaxy S2 I9100.

Step 3 – Power off the phone and boot it into Download Mode. To do so, press and hold Volume Down and Home buttons together, and then tap the Power button until the construction Android robot icon with a triangle appears on screen. Hit the Power button again to progress into Download Mode.

Step 4 – Launch ODIN on computer and connect the phone to it while the phone is still in Download Mode.

Step 5 – When the phone connects successfully, one of the ID: COM boxes indicates yellow with the corresponding COM port number. This step may be time-consuming.

Step 6 – Choose the files that need to be flashed or installed on the phone, which can be found among the extracted files in Step 1.

Click the ‘PDA’ checkbox and choose the file named ‘.tar or ‘.md5′.

Hit the ‘Phone’ checkbox and choose the file named ‘MODEM’. Ignore this step if there is no such file.

Tap the ‘CSC’ checkbox and choose the file named ‘CSC’. Ignore this step if such file is missing.

Click the ‘PIT’ checkbox and choose the .pit file. Ignore this step if such file is absent.

Step 7 – In ODIN, enable Auto Reboot and F. Reset Time options. In case of Re-Partition option, check it ONLY if a .pit file was chosen in the previous step.

Step 8 – Hit Start button in ODIN and the firmware installation process will begin. It would take just a few minutes to complete.

Step 9 – Once the firmware installation is complete, the phone will reboot. When the home screen appears, Disconnect the phone from computer.

Samsung Galaxy S2 I9100 is now successfully updated to Android 4.1.2 ZSLSE official firmware. Go to Settings > About Phone to verify the firmware version installed.

Alex customizes his cars and smartphones like its going out of fashion. Jumping between Korean and American, not only does Alex provide in-depth reviews but he usually hangs on to the models for some “real world testing” weeks at a time.