Samsung Galaxy S3 Gt-I9300 Android Version 4.3 Offical Firmware Download link
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How to Download and Install Official Firmware for Samsung Galaxy S3 GT-I9300 Android 4.3 Jelly Bean
If you own a Samsung Galaxy S3 GT-I9300 and want to update it to the latest Android 4.3 Jelly Bean official firmware, you can do so by following this simple guide. Android 4.3 Jelly Bean brings many improvements and new features to your Galaxy S3, such as enhanced performance, better battery life, improved camera, lockscreen widgets, and more.
Before you proceed, make sure you have backed up your data and have at least 50% battery charge. Also, you need to enable USB debugging on your phone and install Samsung USB drivers on your computer. You also need to download the official firmware file and Odin tool from the links below:
Official firmware for Samsung Galaxy S3 GT-I9300 Android 4.3 Jelly Bean
Odin tool for flashing firmware
Once you have downloaded the files, follow these steps to install the firmware on your Galaxy S3:
Extract the firmware file and Odin tool on your computer.
Run Odin as administrator and connect your phone to your computer via USB cable.
Wait for Odin to recognize your phone and show a blue sign in the ID:COM box.
Click on the AP button and select the firmware file that you extracted.
Make sure that only Auto Reboot and F. Reset Time are checked in the options tab.
Click on Start and wait for Odin to flash the firmware on your phone.
When the process is complete, your phone will reboot automatically and show a PASS message in Odin.
Disconnect your phone from your computer and enjoy Android 4.3 Jelly Bean on your Galaxy S3.
Congratulations! You have successfully installed official firmware for Samsung Galaxy S3 GT-I9300 Android 4.3 Jelly Bean. If you have any questions or problems, feel free to leave a comment below.
How to Root Samsung Galaxy S3 GT-I9300 Android 4.3 Jelly Bean
If you want to root your Samsung Galaxy S3 GT-I9300 after installing the official Android 4.3 Jelly Bean firmware, you can do so by using a simple tool called CF-Auto-Root. Rooting your phone will give you full access to its system and allow you to install custom ROMs, kernels, mods, and apps that require root privileges.
Before you proceed, make sure you have backed up your data and have at least 50% battery charge. Also, you need to enable USB debugging on your phone and install Samsung USB drivers on your computer. You also need to download the CF-Auto-Root file and Odin tool from the links below:
CF-Auto-Root file for Samsung Galaxy S3 GT-I9300 Android 4.3 Jelly Bean
Odin tool for flashing firmware
Once you have downloaded the files, follow these steps to root your Galaxy S3:
Extract the CF-Auto-Root file and Odin tool on your computer.
Run Odin as administrator and connect your phone to your computer via USB cable.
Wait for Odin to recognize your phone and show a blue sign in the ID:COM box.
Click on the AP button and select the CF-Auto-Root-m0-m0xx-gti9300.tar.md5 file that you extracted.
Make sure that only Auto Reboot and F. Reset Time are checked in the options tab.
Click on Start and wait for Odin to flash the root file on your phone.
When the process is complete, your phone will reboot automatically and show a PASS message in Odin.
Disconnect your phone from your computer and look for SuperSU app in your app drawer.
Congratulations! You have successfully rooted your Samsung Galaxy S3 GT-I9300 Android 4.3 Jelly Bean. You can now enjoy the benefits of having root access on your phone. If you have any questions or problems, feel free to leave a comment below.
How to Install CyanogenMod 13.0 on Samsung Galaxy S3 GT-I9300 Android 4.3 Jelly Bean
If you want to install CyanogenMod 13.0 on your Samsung Galaxy S3 GT-I9300 after rooting it, you can do so by following this simple guide. CyanogenMod 13.0 is a custom ROM based on Android 6.0 Marshmallow that offers many features and enhancements that are not available in the official firmware. Some of the features include theme engine, privacy guard, performance tweaks,