How to Install AOSP Android 8.1 Oreo on Samsung Galaxy S3 Mini

The Samsung Galaxy S3 Mini was released in October 2012 with Android 4.1 Jelly Bean as its operating system. If you’re interested in upgrading to the stable version of Android 8.1 Oreo on your Galaxy S3 Mini, you’ve come to the right place. In this guide, we will show you how to install Android 8.1 Oreo on your Galaxy S3 Mini smartphone.

If this is your first time installing a custom ROM on your Galaxy S3 Mini, we recommend reading our article on the differences between custom ROM and stock ROM. To install a custom ROM, you need to unlock your device’s bootloader and have the latest TWRP Recovery installed. If you have both of these, then the process of installing a custom ROM using TWRP Recovery is simple. You can follow our tutorial on how to flash a custom ROM using TWRP Recovery for step-by-step instructions.

By upgrading to Android 8.1 Oreo, you can enjoy new features and improvements to your Galaxy S3 Mini’s performance. However, it’s important to follow the instructions carefully to avoid any issues during the installation process. With a stable custom ROM, you can experience a more personalized and optimized user experience on your device.

How to Install AOSP Android 8.1 Oreo on Galaxy S3 Mini

What’s in Android 8.1 Oreo:

After rolling the Android 8.0 Oreo, we know that Google will surely come up with the latest version which will improve the features which were implemented in Android 8.0 version.

As you’d expect, Android 8.1 Oreo is an incremental update that builds out some of the new features found in the first version of Oreo. Android 8.1 Oreo is an improved version and shortcomings of Android 8.0 Oreo – This doesn’t mean Android 8.1 doesn’t include the new feature because it does. Here are all the features of Android Oreo [8.0/8.1]

Features of Android Oreo:

  • Notifications Channels (8.0)
  • Picture In A Picture (8.0)
  • Multi-Display Support (8.0)
  • Keyboard Navigation (8.0)
  • Background Limits (8.0)
  • New Wi-Fi Features (8.0)
  • Better Icons (8.0)
  • Autofill (8.0)
  • Cheeseburger Emoji (8.1)
  • Neural Networks API (8.1)
  • Pixel Visual Core co-processing technology to third-party developers (8.1)
  • and many more

Download ROM and Gapps Here

OS Download File
Lineage OS 15.1 Download

Any Of the Gapps Below

MindTheGApps 8.1.0 Package

Delta Gapps with Modular Add-On

Micro GApps Package For Android Oreo

Android Oreo Gapps Package [Open Gapps] – Recommended

Gapps For LineageOS 15/15.1 [Also Supported any Android 8.1]

Steps to Install Android 8.1 Oreo on Galaxy S3 Mini:

Follow our below guide to install the Android 8.1 Oreo on Galaxy S3 Mini. Simply download the below given ROM and Gapps file to experience the Android 8.1 Oreo on Galaxy S3 Mini smartphone. To install any Custom firmware on Galaxy S3 Mini, you should have TWRP Recovery or any custom recovery.

Before grabbing the download link and installing the custom ROM, then make sure to follow the pre-requisites.

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Instructions to Install:

  1. First of all, you need to Unlock Bootloader on Galaxy S3 Mini
  2. Now install TWRP Recovery for Galaxy S3 MiniWatch Full Video on How to Install TWRP on any Android Phone.
  3. Download the below Android 8.1 Oreo for Galaxy S3 Mini.
  4. Now boot into TWRP Recovery, Here is the method to boot into Recovery.
  5. Before installing Wipe System Data on TWRP Recovery (DO NOT WIPE INTERNAL STORAGE)

Guide to Flash Custom ROM using TWRP Recovery

Super SU Root Procedure

[su_note note_color=”#fdf8db” text_color=”#000000″]

Don’t flash SuperSU if you want to try Magisk Root on your phone


Magisk Zip Root Procedure

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