Android 5.1.1 Lollipop update for Samsung Galaxy S4 (I9505) might not see an official release very soon; however, tech savvy users can now experience Android 5.1.1 on their Galaxy S4 with Euphoria OS. This ROM is battery friendly and offers better performance, better RAM management and many personalization options to enhance the user experience.

In this guide, we show you how to install Android 5.1.1 on Galaxy S4 with Euphoria OS. This is an AOSP (Android Open Source Project) ROM based on the CyanogenMod ROM. The latest version of Euphoria OS for Galaxy S4 is based on Android 5.1.1 Lollipop. The ROM offers smooth performance, better battery life and many personalization options.



The status of Euphoria OS is stable (Android 5.1.1 r4), which means you can use it as a daily driver. You can experience features of CyanogenMod and features added by Euphoria team. If you are interested in installing this ROM, read on to the guide given below.

WARNING: Follow the instruction at your own risk. We will not be liable if any damage occurs to your device and/or its components. It is recommended for technically talented users only.

Important Note: This process will wipe your data completely, so backup any data on your device before flashing the ROM. Also, do not forget to make Nandroid backup from custom recovery.

How to Install Android 5.1.1 on Galaxy S4 with Euphoria OS

Note: For installing this ROM requires a rooted Galaxy S4 (I9505) with custom recovery like TWRP installed

1. Download Euphoria OS zip file [HERE] and Gapps zip file [HERE]. Transfer both zip files to your phone’s SD card.

2. Disconnect your Galaxy S4 from PC, then switch off it and boot it into custom recovery mode by pressing and holding the Volume Up + Home + Power buttons at the same time.

3. From recovery, wipe data, cache and the dalvik cache.

4. Now, go to “Install zip” and then “Select zip”. Choose the Euphoria OS zip file. Once the installation completed, repeat the same for Gapps zip file.

5. Once completed, again clear cache, dalvik cache and Wipe Data/Factory Reset. This is necessary to fix bootloop issue.

After the process is complete, reboot the phone. Enjoy Android 5.1.1 Lollipop on Galaxy S4. Any doubt, leave your views in the comment section below. (Source – XDA)

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Kannan is a computer and Android enthusiast, a blogger by passion and a tech freak. His always ready-to-help attitude, knowledge and hard work is what drives him.