Update Galaxy S3 I9300 to Android 4.3 CM10.2 Experimental Jelly Bean Custom ROM
An experimental build of CM10.2 Android 4.3 custom ROM is now available for Galaxy S3 I9300. It is an early build that a developer recently got it working on this phone. It has lots of bugs and several features do no work as of yet, but well, you get to try out the new Android 4.3 Jelly Bean. If not this ROM, you can always install the latest official firmware for this phone. You can update Galaxy S3 I9300 to CM10.2 Android 4.3 Jelly Bean custom firmware using the tutorial below. This is not an official release by Samsung, but just a custom ROM that is based on the latest AOSP release and would require a custom recovery like ClockworkMod in order to flash the ROM zip and Google Apps zip files on your phone.
As you continue reading below, we will guide you through the entire process of how to install CM10.2 Android 4.3 Jelly Bean on Galaxy S3 I9300 with complete steps. Don’t forget to read all the tips below that you have to keep in mind before proceeding. Please make sure you backup all your data as given below because this tutorial will wipe your data. The following tips are important as they will help the installation procedure to go smooth without any issues. Let’s get to the tutorial now.
Disclaimer: All the custom ROMs and firmwares, official software updates, tools, mods or anything mentioned
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