The Oppo A9 2020 was launched with Android 9 (Pie) and received an official update to Android 11 (ColorOS 11). For many users, that’s the end of the road. No more security patches, no new features.
If you’re looking to breathe new life into your device, custom ROMs are the answer. But here’s the reality check: Is the Oppo A9 2020 custom ROM scene actually good?
Let’s break down what works, what doesn’t, and whether you should take the plunge.
Based on community reports (XDA Forums & Telegram groups), these GSIs are confirmed to work with varying stability: oppo a9 2020 custom rom work
| ROM Name | Android Version | What Works? | What Doesn't Work? | | :--- | :--- | :--- | :--- | | LeOS (deGoogled) | 13 / 14 | WiFi, BT, Calls, Battery | Fingerprint (sometimes), FM Radio | | Cherish OS | 13 | Smooth UI, Audio, Camera | VoLTE might break | | Pixel Experience Plus | 13 | Pixel look, Gestures | DT2W (Double Tap to Wake) | | LineageOS 20 GSI | 13 | Lightweight, Stable | SELinux permissive (not enforcing) | | Evolution X | 13 | Customization | Auto-brightness lag |
The "Works" Checklist:
The "Broken" List:
Given the high risk and low reward, consider these instead:
The Oppo A9 2020 uses File-Based Encryption (FBE) by default.
Unlike standard AOSP devices (Pixel, OnePlus, Xiaomi), Oppo devices utilize a complex partition scheme often referred to as the "Oplus Common" tree. The Oppo A9 2020 was launched with Android
AOSP source code is open, but the drivers for the GPU (Adreno 610), Wi-Fi, and Audio are proprietary.
Do it if:
Skip it if: