Samsung S9 Plus Exynos Custom Rom (2025)
Based on stability, performance, and current development, here are the top choices: 1. LineageOS 21/22/23 (AOSP)
DuhanROM is a port of Samsung’s latest One UI from the Galaxy S22 Ultra (Android 14) and more recently from the Galaxy S24 FE (Android 15 / One UI 7.0). It brings modern Samsung software to the S9 Plus while keeping the ROM heavily debloated and optimised for the Exynos 9810.
Once inside TWRP, you must remove Samsung's factory encryption so the recovery can read your device files. Swipe to allow modifications if prompted. Go to . Type yes and confirm. samsung s9 plus exynos custom rom
Samsung officially ended software support for its Galaxy S9 series some time ago, and if you’re holding an Exynos‑powered Galaxy S9 Plus, you might feel left behind. The good news is that the vibrant community of developers and enthusiasts on forums like XDA has stepped up, creating a wealth of custom ROM options that can transform your aging device into a modern, feature‑rich phone. This comprehensive guide explores everything you need to know about custom ROMs for the Samsung Galaxy S9 Plus Exynos variant—from the best ROMs available in 2025 and 2026 to a step‑by‑step installation guide.
Former Pixel owners or anyone who loves Google’s vision of Android. Once inside TWRP, you must remove Samsung's factory
Your custom recovery is now permanently installed. From here, you can flash ROMs, kernels, Google Apps (GApps), and Magisk for root access.
: Flashing a custom recovery will permanently "trip" the Knox security fuse, disabling Samsung Pay and Samsung Pass forever on that device. Type yes and confirm
Before you dive in, ensure you have the following:
user wants a long article about custom ROMs for the Samsung S9 Plus Exynos variant. I need to cover best custom ROMs, installation guides, performance comparisons, compatibility, and issues. I'll search for comprehensive information. search results have some promising leads. Result 0 (Project Hyper) and Result 2 (DuhanROM) look like current ROMs. Result 1 is a discussion about battery life. I'll also search for installation guides and issues. search results for installation guides and specific ROMs like Evolution X, Havoc OS, Pixel Experience, Noble ROM, and /e/ OS are not very promising. I'll need to find more comprehensive sources. I'll also search for performance comparisons, security, and troubleshooting. search results for performance comparison and security risks didn't yield much. The search for issues found some relevant threads. The search for Android 15 custom ROMs and TWRP installation also produced some results. I'll need to open some of these pages to gather more detailed information. have gathered information from several sources. The XDA thread for Project Hyper, DuhanROM, and the Reddit post for Noble ROM provide details on features and installation. The tkbilgin page for Noble 5.2 (Android 15) is also useful. The TWRP pages provide installation guidance. However, the search results for installation guides, performance comparisons, security, and troubleshooting were not very helpful. I need to find more comprehensive guides and performance comparisons. have gathered some information. I'll open some of these results for more details. have gathered a substantial amount of information. Now I need to structure a comprehensive article. I'll cover the history, reasons for using custom ROMs, prerequisites, installation guides, top custom ROMs, and potential risks. The user's question has high authority requirements, I should prioritize using official documentation and XDA developer forums. I'll cite the sources appropriately. Samsung Galaxy S9 Plus, particularly the Exynos 9810 variant, has become a favorite in the enthusiast community for its enduring hardware and thriving developer support. Even though its official software updates ended with Android 10, a custom ROM can effectively transform your smartphone, upgrading it to the latest Android versions with modern features. Based on current information from the community, this guide provides a comprehensive look at the best custom ROMs available, how to install them, and what to expect.
SafetyNet may fail. You will need to use Magisk and Play Integrity fixes to use banking apps or Google Wallet.