Update Galaxy S3 I9300 to Android 5.1.1 Lollipop with Euphoria OS ROM [How to]

Samsung’s old flagship handset Galaxy S3 I9300 may no longer receive Android OS update support from its manufacturer. But these devices can be updated now to the Euphoria OS custom ROM which is based on the AOSP (Android Open Source Project) and Galaxy S3 (international variant) users can easily flash this custom ROM based on Android 5.1.1 Lollipop which is popular for customizations and plenty of tweaks in the Android ROM market. Get ready to experience the latest Android OS version on your Galaxy S3 I9300? Go ahead and follow the given detailed guide.

Before going ahead, please note that this is an unofficial build of the Euphoria OS with the latest Lollipop version 5.1.1. You might face some not functioning features and bugs are highly likely but the developers are working hard to fix them in the next update.

Update Galaxy S3 I9300 to Android 5.1.1 Lollipop

Check out the changelog of Android 5.1.1. Euphoria OS ROM:

Changelog

  • Merged android-5.1.1_r3 – android-5.1.1_r4
  • Merged in translations from CM
  • Show multi-line notification if there’s more than one missed call
  • DeskCLock – Expose background colors for theming
  • Settings: add Bluetooth tethering option to BT overflow menu
  • Settings: update dashboard icons
  • Simple option to use volume keys to control media volume anytime (removed old options)
  • Use WindowManager to set custom DPI (fixes broken legacy apps)
  • Double tap to sleep anywhere on the lock screen
  • Option to disable torch when the screen turns off
  • QS panel Task Manager
  • Fix setting up linked notification stream on boot
  • Fix adding headsup view after boot
  • Prompt for SIM PIN if lockscreen is disabled

Device specific changes

  • 20150607- New sensor stuff, some optimisations
  • 20150505- GPS Fixed again since last build broke it
  • 20150425- GPS FIXED
  • 20150403-SE Linux fixed, now on enforcing, GPS fixed

Note:

The Euphoria OS ROM and instructions given in this guide are working only with Galaxy S3 model no I9300. Check the model number of your device, if it is I9300 then go ahead, otherwise not. Do not try to install this firmware on any other device or incorrect variant.

Warning:

AndroidBlog.gs will not be held responsible for any kind of damage occurred to your Galaxy S3 I9300 during or after the installation of Euphoria OS ROM. Proceed at your own risk.

Pre-Requirements:

  • Make a proper backup of all your important data and settings using a custom recovery such as CWM or TWRP.
  • Enable USB Debugging on the Galaxy S3 by navigating to Settings > Developer Options.
  • The battery level of your S3 should be at least about 80% to prevent unexpected shutdowns while flashing the Euphoria OS custom ROM.
  • Your device should be rooted and the latest version of a custom recovery must be installed on it.

Required Files:

Steps to Update Galaxy S3 I9300 to Android 5.1.1 Lollipop with Euphoria OS ROM:

Follow the given instructions to install Android 5.1.1 Lollipop on Galaxy S3 via Euphoria OS ROM:

1:- First, download Android 5.1.1 Euphoria OS ROM (Euphoria-OS-1.1-i9300-20150504.zip) for your Galaxy S3 on the desktop of your PC.

2:- Connect the Galaxy S3 with PC using a USB data cable and copy the downloaded ROM file to the root folder of internal storage of the phone.

3:- Turn OFF the Galaxy S3 to boot into Recovery Mode.

4:- Turn ON while pressing the Power + Home + Volume Up keys at the same time.

6:- While your device is now in CWM Recovery, perform wipe data/factory reset, wipe cache partition and wipe dalvik cache also by navigating to Advanced > Wipe Dalvik Cache.

Note:- wipe dalvik cache will help you to prevent boot loops and other errors while ROM installation.

7:- Go back to the main Recovery Menu and choose install zip from SD card → choose zip from sdcard.

8:- Navigate to the Euphoria OS custom ROM .zip file which you’ve already transferred to the SD card of your device previously. Select the ROM .zip file using the Power button and confirm the installation to begin.

9:- Next, install Google Apps by repeating the above steps.

10:- Navigate to +++++Go Back+++++ once the installation is completed. From Recovery Menu, reboot your device by selecting reboot system now.

Your Galaxy S3 will be rebooted and may take about 4 to 5 minutes to boot for the first time after installation.

Done! You’ve successfully updated Galaxy S3 I9300 to Euphoria OS ROM featuring Android Lollipop v5.1.1.

Troubleshooting:

If your Galaxy S3 experience boot loop or gets stuck on booting animation after flashing the ROM then perform wipe cache partition and wipe dalvik cache for a few times before rebooting the Galaxy S3.

Let us know in the comments area below if you have any query or trouble while installing this custom ROM on your Galaxy S3.

Leave A Reply

Your email address will not be published.

android 1, android, android studio, android device manager, android pie, android games, android one, android emulator, android versions, android emulator for pc, android apps, android app development, android authority, android apk, android arsenal, android apps on pc, android auto, android activity lifecycle, android app download, android architecture, android codes, android color codes, android central, android cdc driver, android car stereo, android course, android camera, android omponents, android box, android beta, android best games, android beam, android backup, android backup to pc, android basics, android games, android games apk, android games free download, android go, android gamer, android games 2018, android games on pc, android glide, android game development, android emulator online, android emulator download, android emulator for mac, android emulator for windows 10, android file transfer, android file host, android framework, android flash tool, android firmware, android hacking tools, android hd wallpapers, android hard reset, android heavy games, android data recovery, android keyboard, android kitkat, android keyboard apk, android keylogger, android imei check, android multi tools, android manager, android material design, android mobile games, android modded games, android latest version, android lollipop, android nougat, android oreo, android pie, android play store, android pc suite, android pie update, android police, android programming, android questions, android ringtones, android root, android root apk, android root apps, android tv box, android themes, android tools, android wallpapers, android wallpapers hd, android usb driver, android ui design, android update 8.0, android update 9.0, android studio, android sdk manager, android secret codes, android vidmate, android youtube downloader, android youtube downloader apk, android youtube background play, android zapya