Boot into Download Mode by holding simultaneously. Open Odin on your PC and connect your phone via USB.
The story of the Samsung Galaxy S9 Plus (Exynos variant) in the custom ROM world is one of defiance against planned obsolescence. While Samsung officially ended support for the device in April 2022 after reaching Android 10, a dedicated community of developers has kept the hardware relevant well into 2026. The Quest for Modern Software The S9 Plus, powered by the Exynos 9810
Go back, tap , and select Dalvik/ART Cache, Cache, System, and Data . Swipe to wipe. Step 4: Flash the Custom ROM
Developers have successfully ported newer versions of Samsung's own software (like One UI 5 or 6) from newer flagship devices to the S9 Plus. samsung s9 plus exynos custom rom
The good news? For a device this old, the loss of Samsung-specific services is often worth the trade-off for modern Android features and security.
| ROM Name | Base & Version | Best For | Known Bugs | | :--- | :--- | :--- | :--- | | | One UI 7 (Android 15) | Samsung purists wanting the latest Galaxy AI | May vary by beta build | | DuhanROM | One UI 7 (Android 15) | Stability and constant updates | Bootloop issues on power-off | | Project Hyper | HyperOS 2.0.215 (Xiaomi) | MIUI fans seeking a unique aesthetic | Brightness (fixable), fingerprint, camera issues | | LineageOS 23.2 | AOSP Android 16 | Pure Android, speed, and privacy | Sensors occasionally breaking on early builds | | crDroid | AOSP Android 15 | Customization junkies | Potential mounting errors during install | | /e/OS | /e/OS 3.1 (Android 15) | Privacy-focused users | No OTA, potential bootloops |
The Samsung S9 Plus (Exynos) still boasts great hardware, particularly its camera and display. Installing a custom ROM like or LineageOS makes it a totally modern device. While the process requires technical steps, the result is a faster, safer, and more capable phone. Boot into Download Mode by holding simultaneously
Open Odin on your PC and connect your phone via USB. The ID:COM box should turn blue.
These ROMs offer a clean, lightweight, and stock-Android user experience.
Best for: Samsung purists who want the latest Galaxy features. While Samsung officially ended support for the device
Access the latest Android security patches to protect your data.
Modifying your device software carries risks. Before downloading any files, ensure you meet these exact requirements:
Retains the familiar Samsung ecosystem, including advanced camera modes and edge panels.
Here is everything you need to know.
Skip the official Android 10 limitation and jump directly into Android 13, Android 14, or even newer builds.