Update Galaxy S3 I9300 to Android 4.4.2 Fusion-SP Custom ROM – How to

May 8, 2014 at 02:35am EDT

You can update Galaxy S3 i9300 to KitKat Android 4.4.2 based Fusion SP custom firmware. Fusion-SP is a brilliant custom firmware optimized for good performance and amazing battery life. This custom firmware is packed with features and is based on pure AOSP and SlimROM sources. Read the extensive list of FusionSP custom ROM features before you head on to update Galaxy S3 i9300 to KitKat FusionSP custom firmware.

Fusion SP Android 4.4.2 KitKat features:

Prerequisites to update Galaxy S3 i9300 to KitKat Fusion-SP:

Guide to update Galaxy S3 i9300 to KitKat Fusion-SP custom ROM:

Files required: download the Fusion-SP custom firmware from here;  also download the Google Apps. Save both files on PC.

Here are the steps to update Galaxy S3 i9300 to Android 4.4.2 KitKat Fusion-SP custom firmware:

How to restore: If you want to return to previous OS on your SGS3, boot into recovery, select backup and restore then restore your previous ROM by selecting it from the list.