- Firstly, download the official firmware file from here and save it to your PC
- Secondly,Download ODIN 3.07 from here on your PC and save the same to PC.
- Now, extract the downloaded firmware zip file to your PC, preferable on the desktop and make sure that you will obtain a .tar.md5 file and some files in some cases.
- Next, extract Odin zip file and make sure you’ll get Odin3 v3.07.exe plus other additional files.
- Now, turn off the smartphone and completely (wait for confirm the shut-down task the vibration approximately 6 seconds).
- Boot the S2 device into Download Mode. (For doing that press and keep holding the Volume Down + Home + Power buttons simultaneous until an Android icon like a robot is displayed and in this moment press the Volume UP button, the Download Mode will appear.
- Now, open the ODIN app by launching the ODIN v3.07.exe file that you have already extracted above.
- While the smartphone is connected in Download Mode, connect it to PC using the USB cable.
- Now, look on the ODIN interface and when the smartphone is recognized successfully, a notification message will say “Added!” and additionally the ID: COM together with a port number box will be colored yellow
- Note: In case the ODIN doesn’t display the added message, change the USB port to the PC and reinstall the suitable USB drivers once again on the PC.
- Now, chose and load the necessary files for install the new firmware as below:
- From ODIN app select the PDA checkbox and then browse and load the ‘.tar.md5′ file
- Now, select the Phone checkbox and then browse and load the file that contain the modem word in its name.
- Click on the CSC checkbox and select the file that named ‘CSC’
- From the ODIN app click the PIT checkbox and load the ‘.pit’file.
Note: Ignore the steps b, c and d if there is no such file. - Important: In ODIN app, make sure that the Auto Reboot and F. Reset Time options are enabled by selecting the checkboxes, but the Re-Partition checkbox must be unselected, select the Re-Partition checkbox only id a .pit file was loaded into ODIN in the above corresponded step.
- When all the steps are correctly followed, press START button from ODIN to start the installation firmware process.
- Now wait until the firmware flashing process is done and the smartphone will reboot automatically.
- The flashing process is completely done when a PASS message with a green background will be displayed in ODIN interface (Left-most box at the very top of the ODIN app).
- Now you can disconnect the USB cable from the PC
That’s it; you successfully learned how manually update the S2 GT-I9100 with the latest stock Android 4.1.2 I9100VJMS3 Jelly Bean OTA firmware.
Verify the firmware version that is running of the phone by navigating to: Settings > About Phone:
Troubleshooting – In case the smartphone is stuck or is entering on a boot loop at the boot sequence after the last reboot you have to do :
- Boot the smartphone into Recovery Mode by pressing and keeping hold the Volume UP + Home + Power buttons simultaneous.
- Now, from the Recovery Mode perform a Wipe data/Factory Reset as well as Wipe Cache Partition.
- When the wipe process is done, return on the Recovery Mode main menu and from there choose the reboot system option.
Note 1: For navigating between Recovery Mode options use Volume Keys and for selecting an option in recovery use Power Key.
Note 2: When a wipe task is applied all the device’s internal memory data will be erased, not the data on the SD card memory.
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