Install Galaxy S3 I9300 Android 4.1.2 Omega Jelly Bean Custom Firmware

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Samsung Galaxy S3 I9300 seems to be getting many Android 4.1.2 custom ROMs. We have a new one today and it is one of our favourites. Android 4.1.2 Omega custom ROM is based on the AOSP release of the stock Android and let’s you enjoy CM10 on the Galaxy S3. You can update Galaxy S3 I9300 to Android 4.1.2 Omega custom firmware using the tutorial below.

As you continue reading below, we will guide you through the entire process of how to install Android 4.1.2 Omega on Galaxy S3 I9300 with complete steps. Please make sure you backup all your data as given below because this tutorial will wipe your data. Let’s get to the tutorial now.

Disclaimer: All the tools, mods or ROMs mentioned below belong to their respective owners/developers. We (TeamAndroid.com) or the developers are not to be held responsible if you damage or brick your device. We don’t have you on gun point to try out this tutorial ;-)

Omega v2.0 ROM Features:

  • Based on AOKP Build-4 Jelly Bean 4.1.2
  • Kernel Siyah-s3-v1.7b4
  • Aroma installer – Installation is fully customizable by user
  • Option to Fullwipe from Aroma
  • Wipe cache partition automatic before roms installation
  • Wipe Dalvik Cache automatic during installation
  • Added:
  • MIUI File Explorer
  • Omegas bootanimation and Wallpaper
  • Hosts
  • CM10 apps:
  • Apollo
  • Android Keyboard with many languages
  • Voice Dialer
  • CM10Wallpapers
  • CM10 Torch
  • Dsp Manager
  • Google apps:
  • Google apps added to aroma installation
  • All Google apps are updated to the latest version
  • Omegas extra apps:
  • Samsung Memo
  • Download All Files
  • Hide It Pro
  • YouTube
  • ES File Explorer
  • Hi-Q MP3 Recorder
  • Ice cream sandwich clock
  • Home Switcher
  • Three Launchers included:
  • Apex
  • Nova
  • Trebuchet
  • Mods:
  • Instantaneous GPS Fixation
  • Tweaks

Make sure you have installed all your USB drivers for the Samsung Galaxy S III to connect it with the computer. Download Samsung Galaxy S3 USB drivers! Apart from just the USB drivers, there are a few more things that you need to take care of.

1. You need to enable USB debugging mode. This helps to connect your Android phone with the PC. See here: How to Enable USB Debugging.

2. Your phone battery should be 80-85% charged. If your phone goes off suddenly because of battery, during flashing ROMs or installing mods and updates — your phone might go dead permanently. See here: How to Check Battery Percentage.

3. Backup all your important data that you might need as soon as your flash a new ROM, or make a backup for just in case, you never know when anything might go wrong. See below on how to backup data:

Data can also be backed up using Samsung KIES for their devices, but if you backup data manually, you get more options what top choose from and it is very easy to move data across Android devices from different manufacturers, i.e moving Samsung Galaxy Note backup data to HTC One X.

4. Your phone should be factory unlocked. Additional instructions for locked Android devices will be added in the tutorial for unlocking devices.

Now, let’s proceed with the tutorial on the next page and update Galaxy S3 I9300 to Android 4.1.2 Omega custom firmware.

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