Samsung S9 Plus Exynos Custom Rom [best] [2026]

While I've experienced some minor bugs, such as occasional freezes and app crashes, they've been relatively rare. The community support for LineageOS is vast, and I've been able to quickly find solutions to any issues I've encountered.

A clean, bloat-free experience that prioritizes stability and speed.

The Exynos variant of the S9 Plus is highly favored in the development community over its Snapdragon counterpart. This is primarily because its bootloader can be easily unlocked, opening the door to custom recoveries and firmware. By installing a custom ROM, you gain:

Return to the main menu, select , and choose Format Data (type "yes" to confirm). samsung s9 plus exynos custom rom

Will you need to work (which requires setting up Root/Play Integrity fixes)?

. As of 2026, you can upgrade your device to modern Android versions—even Android 15 —far beyond Samsung’s official Android 10 limit. Top Custom ROM Picks for 2026

A legendary project in the Exynos development community. The developers successfully port newer versions of One UI (harvested from newer flagship devices like the Galaxy S21 or S22 series) down to the Galaxy S9 Plus. This yields modern Samsung features, updated visual styling, and full hardware compatibility without sacrificing the signature Samsung identity. Essential Prerequisites Before Flashing While I've experienced some minor bugs, such as

Before flashing any custom ROM, you must ensure your device meets these technical requirements:

The Exynos S9 Plus development scene is currently split between two major philosophies: Ported Stock "Ports" that bring the latest Samsung One UI experience to the device, and AOSP/LineageOS-based ROMs that offer a stock Android experience.

The risk was real. Flashing a custom ROM on an Exynos S9 Plus was a minefield: The Exynos variant of the S9 Plus is

Turn off the phone, then hold Volume Up + Bixby + Power to enter recovery.

⚠️ Do wipe “Internal Storage” unless you want to delete all your photos and files.

Let the phone boot up, skip the setup wizard, and re-verify in Developer Options that "OEM Unlocking" is greyed out and shows that the bootloader is already unlocked. Step 2: Flashing TWRP Recovery

The Samsung Galaxy S9+ Exynos is a classic device that refuses to die. By installing a custom ROM, you not only extend its lifespan but also get a software experience that rivals modern flagships.