Install Android 5.1 Lollipop OmniROM on Galaxy S3 (GT-I9300)

Android 5.1 is the latest release by Google. It has been announced just a few days ago and Google has already updated its two flagship devices, the Nexus 6 and Nexus 9. Other manufacturers are expected to update their devices shortly after, including the Samsung Galaxy S6 and HTC One M9. It is said that both of the devices will have an Android 5.1 Lollipop update ready to go when they get released to the market.

One device that is fighting its death is the Samsung Galaxy S3. Released back on 2012, the phone never really received a huge support from Samsung, primarily for the reason that it only had 1 GB of RAM and that wasn’t enough to support upcoming software updates.

But we all know that this wasn’t the case. The Galaxy S3 continued to receive software updates, even though not officially from Samsung. Developers did a great job creating ROMs based on the latest version of Android for this device. Throughout these months, we have seen a large support for the phone and multiple ROMs based on Android 5.0 Lollipop got released.

Now, one of the most popular custom ROMs, OmniROM has come once again to the Galaxy S3 featuring Android 5.1 Lollipop. Senior member “mcgi5sr2” has developed and created a working Omni build based on Android 5.1 Lollipop. As expected, the ROM is in alpha stage. Nonetheless, most of the things are working without any problems.

Install Android 5.1 Lollipop ROM on Galaxy S3 GT-I9300

Early adopters have reported very good feedback with the ROM being snappy, smooth and with great battery. At least, better battery life than previous ROMs.

OmniROM aims to bring a slimmed down experience of stock Android 5.1 firmware. Everything is exactly the same but faster and better.

Getting Prepared:

Charge your phone to at least 60%. While the process doesn’t take more than a few minutes, the phone can freeze. If it turns off, it can get damaged.

Download a custom recovery. PhilZ & TWRP recoveries are recommended.


Android 5.1 ROM for Galaxy S3

Lollipop Google Apps

Installing the ROM:

  1. The first thing you should to is to confirm that the ROM zip file is located in the internal storage of your phone.
  2. Turn the phone off by pressing the power button.
  3. Once the screen goes completely dark, press and hold the volume up, home and power buttons at the same time. This will boot your Galaxy S3 to recovery mode.
  4. From there, make a full wipe and data factory reset. This ensures that no errors are shown during the installation process of the ROM.
  5. Go back and go to “Install zip from SD card”. Chose the ROM and flash it.
  6. Do the same thing with Lollipop Google Apps.

Now that you have successfully flashed the Android 5.1 Lollipop ROM and Lollipop Google Apps on your Samsung Galaxy S3, reboot it and enjoy the new features and options of the latest Google’s release.


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