A new software update is now available for Samsung Galaxy S2 model number I9100. This latest update is named VJMS4 and is based on Android 4.1.2 Jelly Bean firmware build. It teaches you how you can successfully install the new update to S2 I9100 model.
The new Android 4.1.2 Jelly Bean VJMS4 firmware is for Samsung Galaxy S2 I9100 International edition, and this means you can install it for any S2 I9100 unlocked smartphone.
This update is official firmware released by Samsung and you will restore the warranty for S2 I9100 devices.
This present update is one of the newest Android Jelly Bean OTA update available for Samsung Galaxy S2 I9100.
This update doesn’t come with significant changes for your device. It has been rolled out for Brazil S2 owners, but you can manually install the same, and after that you can switch between languages and to chose the language you want.
This is for all users who didn’t receive this latest update by OTA, before starting to learn how to install the same on the S2 device you need to follow some pre-requisites.
This guide works only with Samsung Galaxy S2 model number I9100 international version.
Do not install this firmware for any incorrect smartphone or tablet, you can brick or damage your device.
Installing this new officially update, the same will revoke the root access the device had been rooted.
- If the S2 device has installed any custom recovery image or other custom tools, these tools will be removed after you install this official firmware.
- The warranty for S2 device will be restored after a stock firmware is installed.
- Download and install the suitable Samsung USB drivers your PC.
- Uninstall or disable any Antivirus, Kies app or firmware applications running on your PC.
- Backup all your important data stored into device’s internal memory, in case the installation process is not completed, you need to do a wipe for internal memory device and then all data stored on it will be erased.
- Verify and make sure that the level of charge for the device’s battery is more that 80% power.
- This step by step guide is provided for Android advanced users, and all instructions are provided only for educational purpose.
- Our Android Source team cannot be responsible or liable in case you lose any data, brick or damage your device during or after the tutorial. Apply this step by step guide only at your own risk.
- From Developer Options menu, enable the USB Debugging mode.
- In case the Developer Options is hidden, navigate on the Settings menu, scroll down to About option, and tap it, after that tap 7 times on Build Number option. The Developer Option menu will be unlocked.
- Please read very carefully all of the instructions and make sure you don’t skip any step listed below and their correct order
For installing the new update, we will use the ODIN app which is and flashing tool developed by Samsung.
How to manually Install Android 4.1.2 VJMS4 Jelly Bean official firmware for Samsung Galaxy S2 I9100
- Download the Android 4.1.2 Jelly Bean VJMS4 zip file from HERE and save the same in your computer.
Now, extract the content of the downloaded zip file and place the content in one single folder on your desktop PC folder. - Make sure you have extracted the zip file a .tar.md5 file, do not extract ant other than the previous action.
- Next, download the ODIN 3.07 version zip file from here, save it in your PC and extract the same in one single folder on your desktop PC folder.
- Turn off the S2 device.
- Boot it into Download Mode menu.
- Open the ODIN exe file on your computer.
- Now, connect the smartphone with your computer using the USB cable.
- Now, wait for ODIN recognize the device and say the smartphone has been „added!!”
In case the S2 device isn’t recognized,you need to disconnect the smartphone form PC, and change the USB port and reinstall the USB drivers once again. - Now, from the ODIN app, click the PDA button and then browse your PC for the extracted file (in step 2) and select the same and load it into ODIN app.
- Make sure that the Re-partition option is disabled on the ODIN app settings. Now don’t make any other change at the default Odin settings.
- When all the above steps are correctly followed, press the START button for starting the flashing process.
- Now, wait until the installation process is complete and when it is done the device will reboot into normal mode.
- Congratulation, the manual installation of Android 4.1.2 firmware is completely done
Troubleshooting and tips:
In case Odin firmware is not successfully installed, or the ODIN’s interface freezes, you can follow the steps given below.
- Disconnect the S2 device from the PC.
- Close the ODIN app.
- Remove the device’s battery, wait 5 seconds and then re-insert the battery in its location.
- Next, repeat all the entire step by step guide once again (do not skip any steps).
In case ODIN says „Pass” message but the Galaxy S2 device doesn’t want to pass over the Samsung boot animation logo, you have to do a factory reset.
Note: performing a factory reset all the data stored on the internal memory will be deleted, but this action will make the device boot into normal mode. You need to save all of your important data.
- Turn off the smartphone..
- Now, wait 5 seconds and then re-insert the battery.
- Boot the device into Recovery Mode menu, to do that press and keep holding the Volume Up + Home + Power buttons simultaneously until the screen flicks, release all of the buttons and wait the Recovery Mode Menu to load.
- Now, from the main Recovery Mode menu select the ‘wipe data/ factory reset’ option and confirm.
- Next, wait for the factory reset task to successfully complete and after that return to main menu on the Recovery Mode.
- Select ‘reboot system now’.
- The first boot can take several minutes.
The Samsung Galaxy S2 I9100 device should now boot into normal mode and to run the new Android 4.1.2 VJMS4 Jelly Bean firmware
If you have issues or problems with this installation process, ask for extra help in comment.
