OnePlus 12R / ACE 3

codename astonQualcomm SM8550 Snapdragon 8 Gen2released Jan 2024up to Android 16

● Actively maintained — released Jan 2024, newest ROM build 6 days ago (4 ROMs still current). A phone that still gets updates keeps going long after its manufacturer stops.

Specifications

SoC: Qualcomm SM8550 Snapdragon 8 Gen2
CPU: Kryo
GPU: Qualcomm Adreno 740
Architecture: arm64
RAM: 8/12/16 GB LPDDR5X
Storage: 128/256 GB UFS3.1
Screen: 6.78" · 1264x2780 · LTPO AMOLED
Battery: 5500 mAh
Released: Jan 2024

6 custom ROMs available

The OnePlus 12R / ACE 3 (codename aston) has 6 tracked custom ROMs on CustomDroid — including AlphaDroid, LineageOS, /e/OS and 3 more, running up to Android 16. Each listing links to the project's own download and install guide.

New to flashing? It generally means unlocking the bootloader, booting a custom recovery, wiping, then installing the ROM — exact steps differ per device and ROM, so follow the Install guide for the one you pick, and back up first. New to this? Why flash a custom ROM or read the guides.

LineageOS publishes an official step-by-step install guide for this device: wiki.lineageos.org/devices/aston.

AlphaDroidOfficial
Android 16v4.6by elpaablo
Source: github.com
Install guide Download
Updated 1 Aug 2026Report wrong data
LineageOSOfficial
Android 16v23.2by inferno0230
Source: wiki.lineageos.org
Install guide Download
Updated 31 Jul 2026Report wrong data
/e/OSUnofficial
Android 16v4.1.1
Source: doc.e.foundation
Install guide Download
Updated 18 Jul 2026Report wrong data
crDroidOfficial
Android 16v12.11by Pranav Vashi (neobuddy89)
Source: github.com
Install guide Forum Download
Updated 2 Jul 2026Report wrong data
Project Infinity XOfficial
Android 16v3.2by Tejas Singh (tejas101k)
Source: github.com
Install guide Download
Updated 26 Sept 2025may be staleReport wrong data
PixelOSDiscontinued
Android 16v16.0by InFeRnO
Source: github.com
Install guide Forum Download
Updated 23 Nov 2025Report wrong data

Support timeline

Jul 2026
LineageOS, /e/OS, crDroid, PixelOS, AlphaDroid, Project Infinity X first tracked

Dates show when CustomDroid first indexed each ROM for this device, not when support originally launched.

ROM availability and links come from each project. CustomDroid indexes builds, it doesn't mirror them — always download from the official project, verify the file's hash/signature, confirm it matches your exact codename, and back up before flashing.