If you’re using a OnePlus 12R and OnePlus Ace 3 and want to breathe new life into your device, installing an Android 16-based custom ROM is a solid move. Google recently released Android 16 for Pixel devices, and developers have already ported unofficial AOSP builds to older phones like the OnePlus 12R / Ace 3. In this guide, you’ll learn how to safely install Android 16 on OnePlus 12R / Ace 3 and enjoy its latest features.
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OnePlus 12R Overview
The OnePlus 12R / Ace 3 comes with a range of impressive specifications tailored for users seeking a powerful yet slightly more accessible alternative within the OnePlus lineup. Here’s a summary of its key features:
- Operating System: Android 14-based OxygenOS 14, ensuring a smooth and user-friendly interface with the latest Android features.
- Display: A 6.78-inch 1.5K (1,264×2,780 pixels) LTPO 4.0 AMOLED screen. This display offers high resolution and adaptive refresh rate capabilities for efficient power usage and fluid visual experience.
- Processor: Powered by the Snapdragon 8 Gen 2 chipset, which is known for its high performance and efficiency. This is the same chip used in the previous OnePlus flagship, ensuring top-tier performance.
- RAM: Up to 16GB of LPDDR5x RAM, providing ample memory for multitasking and demanding applications.
- Camera Setup:
- Rear Cameras: A triple-camera setup including a 50-megapixel primary sensor with a Sony IMX890 sensor and an f/1.8 aperture, an 8-megapixel ultra-wide-angle camera with a 112-degree field of view, and a 2-megapixel macro camera with an f/2.4 aperture.
- Front Camera: A 16-megapixel selfie camera with an f/2.4 aperture, designed for clear and detailed self-portraits.
- Storage: Options include 128GB of UFS 3.1 storage or 256GB of UFS 4.0 storage, offering fast read/write speeds for quicker app loading and file transfers.
- Connectivity: While it supports the same connectivity options as its flagship counterpart, the OnePlus 12R / Ace 3 uniquely offers Bluetooth 5.3 for enhanced wireless connectivity.
- Battery: A 5,000mAh battery supporting 100W SuperVOOC wired charging, promising rapid charging times. However, it lacks wireless charging capabilities.
- Physical Dimensions: The phone measures 163.3×75.3×8.8mm and weighs 207g, making it a sizable yet manageable device in hand.
Android 16 Features:
Android 16 introduces Material 3 Expressive, a refined evolution of Google’s design language for smartphones and tablets. While it doesn’t completely reinvent the interface, it represents one of the most noticeable user-facing changes in the OS. Rather than a dramatic visual overhaul, Material 3 Expressive enhances the foundation laid by Material Design 3 by introducing smoother, more dynamic animations, larger touch targets, and bolder typography.
This update arrives at a perfect moment. Material Design 3, first introduced with Android 13, had begun to feel dated. Material 3 Expressive breathes new life into the interface while preserving the familiar look and feel users have grown comfortable with. Instead of overhyping the changes, Google’s own animations showcase the polish and fluidity of this next step in Android design.


