How To Install Official Android 4.3 on the Samsung Galaxy S3 I9300

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While most flagship Android devices are now getting the Android 4.4 update. Samsung on the other hand has finally managed to make the age old Android 4.3 Jellybean update available for the Samsung Galaxy S3 I9300. The new Android 4.3 update for the Galaxy S3 bring in a complete UI overhaul and a lot of new exciting features.

how-to-install-official-android-4.3-on-samsung-galaxy-s3

The Android 4.3 update is now available all across the world through a OTA update. But if you prefer to manually install android updates on your phone, here is a how to guide to help you install the latest Android 4.3 update on the Galaxy S3.

New features in Android 4.3 update for Samsung Galaxy S3

  • Galaxy Gear support
  • TRIM support (makes the device much faster)
  • Core UI elements updated to the one on Galaxy S4 (Galaxy S4’s theme all over)
  • New Samsung keyboard
  • GPU drivers have been updated (Higher GPU benchmark scores)
  • New Lockscreen: Multiple widgets, improved ripple effect than Android 4.1., ability to change clock size and set a personal message
  • New Screen modes (from Galaxy S4): Adapt Display and Professional Photo
  • Driving mode
  • Actionable notifications
  • Move-to-SD-card feature
  • New Additions in Notification Center
  • Completely revamped Settings UI (Tabbed interface-exactly like the Galaxy S4)
  • Implementation of Voice controls (Lets you control various parts of phone using voice commands-Galaxy S4 feature)
  • New Samsung Apps: Calculator, Clock, Contracts, Gallery, Music
  • Full screen Samsung app
  • New S-Voice (from Galaxy S4)

What you will need?

Before we proceed further let’s make sure of things that we would be needing to update your Samsung Galaxy S3 to Android 4.3. So here’s the list.

  • 1. Download the Official Android 4.3 update from here: I9300XXUGMK6
  • 2. Download Odin 3.07
  • 3. Download and install the USB drivers for The Galaxy S3.
  • 3. Good quality USB data cable
  • 4. Enable USB Debugging on your Galaxy S3 by navigating to Settings > System > Developer Options > Debugging > USB Debugging.

Make sure you have got all the above prerequisites ready and then you can follow the instructions below to Flash the Official Android 4.3 update on your Samsung Galaxy S3.

Note: Flashing the Official Android 4.3 update will not delete the user data or any apps on your phone. But just in case to be safe, make sure to take a backup of your phone’s data.

How To Install Android 4.3 update on your Samsung Galaxy S3

  • Step 1: Extract the Android 4.3 zip file on your desktop.
  • Step 2: Extract the Odin 3.07 zip file and run Odin.
  • Step 3: Switch off your phone and turn it on by holding the following button combination : Volume down + Home + Power button
  • Step 4: Once you see the following screen, press the volume up button to enter the download mode.

enter-download-mode-on-samsung-galaxy-s3

  • Step 5: Connect your Galaxy S3 to your PC using a Data cable. Once Odin detects your galaxy S3, the ID:COM status will turn blue and a Added message will be displayed.

samsunsg-galaxy-s3-is-detected-by-Odin

  • Step 6: Make sure only the Auto reboot and F.Reset Time options are selected and leave other options unchecked.
  • Step 7: Click on the PDA button and navigate to the folder where you have extracted the zip file. Next Select the I9300XXUGMK6_I9300OXAGMK6_I9300XXUGMK6_HOME.tar.md5 file and click on Ok.

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  • Step 8: Click on the Start button to start flashing the Official Android 4.3 update on your Samsung Galaxy S3 I9300.

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  • Step 9: Wait until the update is installed on your Android phone and you see a Pass notification with a green background. Now you can remove the USB data cable from your phone and proceed with settings up Android 4.3 on your Samsung Galaxy S3.

official-android-4.3-succesfully-installed-on-samsung-galaxy-s3

Here are the screenshots of the Android 4.3 update running successfully on my Samsung Galaxy S3.

android-4.3-on-samsung-galaxy-s3

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About the author

Lovejeet

Lovejeet is a Proud Geek and tech. enthusiast, who is ardent to learn more about the technology that surrounds us. He loves to tinker around with his gadgets and when he find something new and exciting, he shares it with you on this blog. Last but not the least he is a true gamer by heart. Connect with him on and Twitter

74 comments

  • Hy lovejeet !
    My question is will it work on a previouslyrooted /modifies s3 for granted . And if not is there a risk doing the procedure .
    By the way i want to thank for your presence and interaction with people . That’s definitly a major good thing we find in your blog .
    Keep up the good work 😀

    • Yes, this guide will definitely work on a previously rooted Galaxy S3. However if you already have a custom ROM installed on your phone, you might have to perform a factory reset through the recovery menu, otherwise your phone might get stuck in a boot loop. Also you will be unrooted in this process.

      Btw, Thanks for the compliments 🙂

  • When i updating my device .. is any signal problem i face or not ??

    Actually i have update 4.3 in S3 from other site following same steps but i have face signal issue 🙁

  • No Registered on Network… What is this problem.. 🙁
    i have follow same steps but again same problem of network whyyyyyyyy ???

    • Hi Danial, its a common problem, you will have to re flash the modem for your Galaxy S3 and then your S3 will be able to connect to a network. Take a look at the XDA forums for the correct modem file for your S3.

      • Dear from other source, i have download 4.3 also. It has 4 file including modem and i have done using odin..
        But again same problem i have face.. 🙁

      • Dear Lovejeet,

        I have downloaded odin and connected my phone with odin in download mode, but i couldn’t see the pda option here.

        Kindly guide me.

  • Hi wonder if you could help me. my phone went frozen wen i check it so i restart my phone and it got stuck at the samsung logo. i went to clear all cache it failed, reset to the factory mode also fail. So i went to root the phone and it fail. can it be root if i did not disable the debugging mode??
    As well as during the rooting via kies it failed on cache img.

  • hey bro. i started with all ur steps mentioned . but after step 7 odin is not responding on 8th step no status for pass or fail wat to do i m stuck !

  • Unable to download from Download the Official Android 4.3 update from here: I9300XXUGMK6 .. this link only download .exe file .. please help downloading setup

  • Greetings Lovejeet
    I have a samsung S3 I9300 that has already received officially 4.3 (Baseband:XXEMG4 BUILD NUM:XXUGNG3).I am facing “not registered on network error” and i was wondering if the reason for this is because baseband and build number are different.Will this tutorial work for sure on my phone and will i also get my problem solved??

    Sincerrly.

  • i have update my samsung galaxy to android 4.3 and my phone is working too slow, how can i go back to the old version 4.1.2?

  • my samsung galaxy s3 is using arround 85% ram which make my phone slow, after clear all memory from task manager its shows 80%, can you please help me in this???

  • where can i find a link to download Original Firmware for samsung s3(GT-i9300)…..plezzz healp me…

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By Lovejeet