Samsung S9 Plus Exynos Custom Rom Jun 2026

(Optional) Flash Google Apps (GApps) if your chosen ROM does not include them natively.

An . Do not attempt this on Snapdragon models (US/China variants). A PC with Odin v3.14.4 and Samsung USB Drivers installed. A high-quality USB cable. Battery charged to at least 60%.

The sheer number of settings can feel overwhelming for beginners. Important Prerequisites

Fortunately, the Exynos variant has a massive developer community on platforms like XDA Developers. Installing a custom ROM can unlock Android 13, 14, or even 15/16, giving your device a new lease on life. This guide covers why you should do it, the best ROMs available, and how to get started. Why Install a Custom ROM on Exynos S9+?

Transfer your chosen custom ROM .zip file (and Google Apps/GApps package if required by the ROM) to the phone's internal storage. samsung s9 plus exynos custom rom

Disclaimer: Modifying your device software carries inherent risks, including permanent damage. The author is not responsible for bricked devices, lost IMEIs, or tripped Knox counters. Always read the specific XDA thread for your chosen ROM before proceeding.

: In most non-Samsung-based ROMs (like LineageOS), VoLTE and Wi-Fi Calling will not work due to proprietary Samsung drivers that cannot be ported to AOSP. If you need these, stick with Noble ROM .

Protect your personal data with up-to-date Android security patches.

However, as the device ages, official software support has ended. For the Exynos variant (the version sold globally, outside the US/China/Korea), installing a custom ROM is the best way to breathe new life into the phone, gaining modern Android features, improved privacy, and debloated performance. (Optional) Flash Google Apps (GApps) if your chosen

After 3 months of testing, here is my review of LineageOS 21 on the S9+ (Exynos).

Getting a custom ROM onto an S9+ (Exynos) follows a specific "long story" of technical hurdles: Unlock the Bootloader:

When they left, the island receded like a secret closing its eyelids. Back in the city, the S9+ hummed on his desk, its screen asleep but its antenna alive. The custom ROM he had written now had a different purpose: to be a seed. He installed small, safe routines that would awaken on specific date patterns and emit the carrier for a minute or two before going back to sleep. Each phone he had modified mirrored portions of the cache and the software necessary to reconstruct it — a digital diaspora.

Once you are running a custom ROM, do the following: A PC with Odin v3

Experience the newest Android versions (e.g., Android 15/16 via ⁠EOD OS ) that Samsung never officially released for this device.

The XDA thread was a chaotic cathedral of hope and technical jargon. The OP (Original Poster), a dev named corsicanu , claimed they had backported the entire camera stack, fixed the Exynos thermal throttling, and even enabled VoLTE. The comments were glowing: “Benchmarks up 20%!” “No more overheating!” “It’s like a new phone!”

Development status can fluctuate; ensure you check the XDA forum for active maintainers. 4. Evolution X (Best for Customization)