How To Update Samsung Galaxy S II To Android 2.3.5 Gingerbread
By on November 11th, 2011

Officially, Samsung has not started rolling out the Android 2.3.5 update for the Galaxy S II. Unofficially though, quite a few Android 2.3.5 firmware have leaked for the handset.

The Android 2.3.5 firmware for the Galaxy S II brings quite a few changes including a looped home screen, blue over scroll glow, smoother performance and a noticeably better battery life.
If you cannot wait for Samsung to roll out the Android 2.3.5 update for the Galaxy S II, you can manually update your handset by following the steps mentioned below.

Before proceeding with the steps below, please keep in mind that your phone will be wiped clean of all your data including your contacts, SMS etc. while installing this new firmware. Read this article if you want to backup your Apps and SMS on your non-rooted Android phone.

Here are the steps to update your Samsung Galaxy S II (GT-I9100) to Android 2.3.5-:

Step 1: Download the latest Android 2.3.5 firmware for the Galaxy S II from here.

Step 2: Download ODIN from here. Also make sure you have KIES installed. KIES will automatically install all the required drivers for your phone. You can download KIES from here.

Step 3: Make sure KIES is not running in the background. Double click on the firmware file/ the .exe file, which you downloaded in Step 1. The .exe file will then automatically extract some new files inside a new folder.


Step 4: Start ODIN and then press the ‘PDA’ button. Navigate to the folder in which the extracted firmware files are present, and then select the file with ‘PDA’ in its name. Press the ‘Phone’ button, and select the file with ‘phone’ in its name. Do the same for CSC as well. Do not select re-partition and a PIT file. It is not needed. There is absoultely no need to touch any other setting of ODIN.

Step 5: Switch off your Galaxy S II, and re-insert the battery. Now, press the Volume down + Home + Power button simultaneously.  Your phone will now boot into Download mode. You will be warned about flashing a custom OS, just press the volume up button to skip it.

Step 6: Now connect your phone to your PC. When ODIN  will detect your phone, it will display a COM no. in a yellow glowing box. Once ODIN detects your phone, just press the Flash button and sit back. Your phone will automatically reboot once the flashing process is complete.

That’s it! You have successfully installed an Android 2.3.5 firmware on your Galaxy S II!

Author: Rajesh Pandey Google Profile for Rajesh Pandey
Rajesh is a 19 year old nerd, currently pursuing B.Com Hons from Bhawanipore college in Kolkata, India. He loves everything tech, especially Android. You can follow him on twitter @ePandu or mail to him at rajesh@techie-buzz.com.

Rajesh Pandey has written and can be contacted at rajesh@techie-buzz.com.
  • http://www.facebook.com/profile.php?id=577280390 Joel Hadrien

    hello, I would like to update my firmware, I downloaded kies but it doesn’t connect to my phone, I keep getting an message saying that current connection mode is not supported by kies :( . What could be the problem? can I still upgrade the firmware?

    • http://www.facebook.com/profile.php?id=1168593667 Rajesh Pandey

      Yes. Follow the steps I have mentioned above. Your warranty will also remain intact!

 
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