Update Galaxy S3 I9300 UltimaROM v9.0 XXELLA 4.1.2 Jelly Bean Custom Rom

samsung-galaxy-s3

UltimaROM has been updated to the latest v9.0 XXELLA with latest firmware build android 4.1.2 with multi windows. The ROM is very well tweaked and good for daily use. The ROM itself support custom ROM OTA updates or patch updates. This is a very high recommended custom ROM and also one of the best custom ROM for Samsung Galaxy S3 GT-I9300.

In case you are new to flashing, this custom rom have AROM installer included whereby you are given choice of what to install. In fact, this will actually save storage as well as to reduce the memory usage after installed the rom. To know more about the new features in UltimaROM, simply browse through the list below before starting the installation.

UltimaROM v9.0 Change Log

  • Updated to latest Jelly Bean Firmware XXEMA2
  • Updated ALL Mods to XXEMA2 base
  • Updated to Jelly Bean Domination 1.6
  • Added XXEMA2 (DXELK1) Modem (+RIL)
  • Added XXEMA1 Modem (+RIL)
  • Added XXDLK2 (HG3) Modem (+RIL)
  • Added Ink Effect Colour changer
  • Added Cyanogen 10.1 AOSP Keyboard (4.2)
  • Added Samsung Galaxy Note II Keyboard
  • Added Xperia T Keyboard option
  • Added Speedmod Kernel K2-5
  • Added HydRx Kernel v4r97b
  • Added Five new UltimaROM Boot Animations (BIOS, Orb, Flow and Particles 1 & 2)
  • Added Stock AOSP MMS option
  • Added AOSP MMS max lines to 5 and sent time is now actual sent time, not received time
  • Added AC!D Sony Walkman Music Player option.
  • Added Clock Statusbar Mods
  • Added ES File Explorer
  • Added Shutter Sound on/off for camera (found in camera settings)
  • Added FlipFonts back in, under System Apps/Bloat in installer
  • Added Super Backup app to data apps
  • Added more transparent status bar options
  • Added TouchWiz Landscape mod
  • Modded Stock E-mail Security (Now both have the security hack)
  • Updated AOSP Browser to 4.1.2
  • Updated Dropbox (2.3)
  • Updated the installer a little bit
  • Updated Volume to Skip mod to CM10 method (simpler, better and works with more apps)
  • Updated Titanium 6.0.1
  • Updated SuperUser + su Binary 1.0.2
  • Updated SwipeDialler 1.7.0.8
  • Updated Play Music 4.5.9101
  • Updated Google+ 3.5.0.41
  • Updated Perseus Kernel to alpha 32.1
  • Updated Siyah Kernel to 1.8.9
  • Removed Lockscreen weather (didn’t work properly, will try to fix in future).
  • Removed Emoji Keyboard… pretty pointless since you had to swap into it each time. AOSP MMS includes these anyway
  • TWRP Compatible!

Disclaimer

It’s always risky to modify your device and be warned that a failure may brick your device. In order to keep your device safe, please read carefully every single line of the tutorial and follows the steps exactly. We are not responsible for any damage to your device. By doing this, your device warranty may void.

Compatibility

The tutorial and guide below is only compatible to Samsung Galaxy S3 GT-I9300 model. It will not compatible to other devices.
Check phone model – Goto Settings -> About Device -> Model Number.

Requirements

  1. Windows-based PC
  2. Samsung Galaxy S3 GT-I9300
  3. Download and install USB drivers on PC. Download Samsung USB Driver for Windows
  4. Enable USB Debugging on your device. How to Enable USB Debugging Mode on Android Device.
  5. Backup your personal data on phone to PC to ensure you keep a copy of your personal data (SMS, MMS, Contacts, Internet Settings, Photos and etc). How to Backup Personal Data On Android Device.
  6. Make sure your phone is charged to 50% to avoid interruption during flashing. How to Check Battery Level On Android Device.

Download

  1. UltimaROM v9.0 XXELLA (135968143011_UltimaROM_V9.0LeviathanUltimate.zip, 1.3GB) – Development page. Optional – 3 different sizes available for different user requirement, choose what suit you. We recommend to download the largest file and do the customization during Aroma installation.

Instructions: (From Custom ROM)

  1. Make sure you have follow steps above and enable all the necessary features before start.
  2. Do a Nandroid backup in CWM recovery in case you need for restoration. (Optional)
  3. Connect your device to the computer via micro USB cable.
  4. Copy and paste the downloaded ***ROM***.zip files to your phone internal SD card.
  5. Turn off your phone and disconnect from USB cable.
  6. Press and hold the Power + Volume Up + Home Button to enter CWM/TWRP Recovery.
  7. In Recovery menu, you are always recommended to perform a full Wipe Data/Factory Reset to avoid crashing and ROM compatibility issue. You may skip this step if you upgrade from your previous ROM version. For CWM recovery, use Volume key to navigate in Recovery Mode.
  8. Do Wipe Cache Partition – Select from the menu and select Yes to confirm.
  9. Go to advanced and do Wipe Dalvik Cache — Select from the menu and select Yes to confirm.
  10. From the main menu in Recovery, select the install zip from sdcard, then select choose zip from internal sdcard, browse to folder location and select the ***ROM***.zip and click Yes to install.
  11. Follow the instruction and perform your own customization inside the Aroma installer.
  12. After the installation completes, go back to recovery’s main menu.
  13. Select reboot system now to reboot the phone.
  14. For first boot up, it normally takes longer time. Please wait patiently.

Instructions: (From Stock ROM)

  1. Root and install CWM recovery. How To Root and Install ClockWorkMod Recovery On Samsung Galaxy S3 GT-I9300 Using SGS3 Toolkit
  2. Download root checker from Google Play to check your root status.
  3. Press Power + Volume Up + Home Button to enter recovery mode. Check whether CWM/TWRP recovery is successfully installed. Select Reboot system to reboot your device.
  4. Connect your device to the computer via micro USB cable.
  5. Copy and paste the downloaded ***ROM***.zip files to your phone internal SD card.
  6. Turn off your phone and disconnect from USB cable.
  7. Press and hold the Power + Volume Up + Home Button to enter CWM/TWRP Recovery.
  8. In Recovery menu, you are always recommended to perform a full Wipe Data/Factory Reset to avoid crashing and ROM compatibility issue. You may skip this step if you upgrade from your previous ROM version. For CWM recovery, use Volume key to navigate in Recovery Mode.
  9. Do Wipe Cache Partition – Select from the menu and select Yes to confirm.
  10. Go to advanced and do Wipe Dalvik Cache — Select from the menu and select Yes to confirm.
  11. From the main menu in Recovery, select the install zip from sdcard, then select choose zip from internal sdcard, browse to folder location and select the ***ROM***.zip and click Yes to install.
  12. Follow the instruction and perform your own customization inside the Aroma installer.
  13. After the installation completes, go back to recovery’s main menu.
  14. Select reboot system now to reboot the phone.
  15. For first boot up, it normally takes longer time. Please wait patiently.
  16. Your device should be installed with UltimaROM v9.0 XXELLA firmware with Android 4.1.2 features. If you are facing any problem during flashing, feel free to drop us a comment.

If you feel this rom is not suitable, you may also visit our Best Custom Rom for Samsung Galaxy S3 for others highly-customized Jelly Bean rom.