Sunday, September 21, 2014

Update Galaxy S2 GT I9100 with Stable Jellybean 4 1 2 Firmware

 
What if we tell you to install the custom ROM firmware in your Galaxy S2 which only fixes all the bugs in your current default factory firmware of Jellybean? So, let’s check out on how you can install the same in your device before which you will have to follow the list of quick pre requisites which are mentioned below. The firmware which we will eb checking out is the Jellybean 4.1.2 firmware. We have also mentioned the Lcd captures of this custom ROM firmware which is dubbed as “Biftor ROM”.

Note: Though applying this firmware update will void the Warranty, you can at any point of time revert back to the factory firmware.

Quick Pre Requisites:
  • All the data in your Galaxy S2 GT I9100 should be backed up with the help of below mentioned steps so as to make sure that just in case if the data gets lost or corrupted, the same can be restored with the help of below mentioned steps,
SMS – Use “SMS Backup & Restore app”,
Contacts – Sync with the Gmail application,
Call Log - Call Log and Restore
Images, Songs, Videos, Files – Copy to internal / External SD Card,
APN and MMS Settings – Note down from the path “Applications > Settings > Wireless and Network > Mobile Networks > Access Point Names”
  • Enable the USB Debugging Mode in your computer from the path “Settings > Applications > Development > USB debugging”. Also, the minimum battery life should be a minimum of 40% or else there is a risk of device getting turned Off in the middle of firmware update.
  • As this is a custom ROM, you need to make sure that your phone is rooted and installed with the custom recovery image. Just in case if your phone is not rooted,
  • Custom Recovery image can be installed from the “ROM Manager” app which you can download from PLAY Store. Do check on whether your device is rooted or not with the help of the “Root Checker” app.
Disclaimer: Follow all the instructions mentioned in this article as if there is any damage caused due to not following instructions then we shall not be held liable or responsible. Just in case if you face any issues then we will try our level best to address the same.

Let’s proceed to the next step where we have mentioned the detailed guide which will help you upgrade the Firmware with the latest Jellybean 4.1.2 Android OS.

 

Procedure to Update Galaxy S2 GT I9100 with the Jellybean 4.1.2 Android OS:
  • Turn Off your phone so that it can be entered in the download mode. Recovery mode in Galaxy S2 GT I9100 can be entered by pressing Volume Up Key, Centre button, and holding both simultaneously press the Power Button after which you will get to see a green robot indicating that the device has entered in the recovery mode.
  • In recovery mode, select “install zip from SD Card” and choose the firmware zip file which you have placed in your device.
  • Once selected, you need to wait for the same to get updated in your device. It may take around 4 -5 minutes for applying the update. Once the device is updated, select the option of “Reboot System Now” for rebooting the device in the normal mode.
  • To check on whether the device is updated with the firmware or not, you need to check the same from the path “Settings > About Phone > Firmware Version” where you will get to see about the firmware version.
Note: If the device gets into the boot loop sequence or say gets stuck in the welcome Lcd, just re insert the battery and re follow the above instructions so as to again follow the above mentioned instructions.

So there you go, you have now successfully applied the latest firmware of Jellybean 4.1.2 in your Samsung Galaxy S2 GT I9100 smartphone. Do let us know in the comments section just in case if you face any issues as we are committed to address the same at the earliest.

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