Samsung upgrade roadmap has indicated the Galaxy S3 will be joined by the likes of the Galaxy S3 Mini and S4 Zoom in joining the KitKat-themed movement. Using the Android 4.4 KitKat upgrade having just lately began a rollout to owners of the main Galaxy S4 and Galaxy Note 3 handsets, we expect a significant delay before the likes of the Galaxy S3 are upgraded.
Here is the tutorial to assist you update Galaxy S3 to Android 4.4 KitKat established CM 11 unofficial build. The official CM isn’t released yet, so let’s do together with the unofficial construct for now which has been created through an XDA dev. This post is tailored to Samsung Galaxy S3 model I9300.
Prerequisites before you update Galaxy S3 to Android 4.4 KitKat established CM 11 custom firmware:
- Generate a copy of all important information in your Galaxy device.
- Download and install USB drivers for Samsung Galaxy S3 in your pc.
- Enable USB debugging choice by pressing Menu > Settings > Applications. Browse and harness on Developer Options to ensure USB Debugging is enable.
- Be sure that restoration software like ClockworkMod restoration is installed.
- Make sure your Samsung Galaxy S3 battery over 80% of fee.
Direct to update Galaxy S3 to Android 4.4 KitKat established CM 11 custom firmware:
- Connect your Samsung Galaxy S3 i9300 to your pc using USB cable and copy the downloaded files to the SD card of your Galaxy device.
- Disconnect the connection with PC and turn off your Galaxy S3.
- Boot in to custom recovery mode: press and hold Volume Up, Down and the Power buttons simultaneously until Samsung logo shows up. Leave the keys for half a second and hold again. Use Volume keys to scroll and Power button to select - alternatively you can use Quick Boot app to reboot your Android device in recovery mode.
- Now perform Nandroid backup of your current ROM: select Backup and Restore > Backup. Go back to main recovery menu after backup process is done - very important step to restore back to current OS.
- Data wiping tasks: select wipe data/factory reset > Yes. It will take a few minutes; once done, select wipe cache partition. Next tap on Advance > wipe Dalvik Cache to wipe Dalvik cache data too.
- Select install zip from sdcard followed by choose zip from sdcard. Locate the Android 4.4 Kit Kat based CM 11 custom ROM file copied earlier and select it. Tap on yes to confirm installation and wait for the ROM installation to be completed.
- Once installation process is finished successfully, repeat the above step but choose GApps file instead to install the Google apps package on your SGS3 i9300.
- Return to main recovery menu now and select reboot system now to boot up into the latest unofficial CM 11 build for Samsung Galaxy S3. It will take a bit of time during the first boot, so kindly be patient.
The way to restore: If you prefer to come back to preceding OS on your SGS3, boot into retrieval, select copy and restore subsequently restore your previous ROM by choosing it from your list.