Samsung A9 Pro Custom Rom -
Once you boot into your new custom ROM, do these three things immediately:
The Samsung Galaxy A9 Pro is a testament to good hardware overcoming bad software. By flashing a custom ROM, you aren't just updating an old phone; you are reclaiming it. You are taking the stunning Super AMOLED display and the marathon battery and pairing them with a software experience that is fast, secure, and modern.
If you have an A9 Pro gathering dust in a drawer, grab a USB cable, unlock that bootloader, and give this giant the second life it deserves.
Finding custom ROM content for the Samsung Galaxy A9 Pro (SM-A910F/0) is slightly complex because it is an older device (originally released in 2016) that has recently seen a resurgence in community interest. Current Custom ROM Availability
Due to its age, official support from major projects like LineageOS is limited, but "unofficial" builds and Generic System Images (GSIs) are the primary way to get newer Android versions.
LineageOS: Unofficial builds of LineageOS (based on Android 15) are often available via XDA Forums or niche developers.
GSI (Generic System Images): Since many A9 Pro users are looking for a modern experience, they often use Project Treble GSIs. This allows for ROMs like Evolution X or LineageOS 21 to run, even if a dedicated build for the A9 Pro doesn't exist.
Pixel Experience: Some users have successfully flashed Pixel ROMs on the Tab A9/A9 Pro variants to replace the heavier Samsung One UI with a clean Google experience. High-Level Installation Steps
Installing a ROM on this device typically requires bypassing Samsung’s Knox security and unlocking the bootloader.
Unlock Bootloader: Enable Developer Options and toggle OEM Unlock in the settings. samsung a9 pro custom rom
Custom Recovery: You must flash TWRP (Team Win Recovery Project) using a PC tool like Odin to manage the system partitions.
Wipe Data: A full factory reset and "Wipe" of the system, data, and cache partitions are required before flashing a new OS.
Flash ROM: The ROM file (usually a .zip or .img) is installed via the TWRP "Install" menu. Things to Consider
Performance: Custom ROMs can significantly speed up the device by removing "bloatware," though they may occasionally have bugs with hardware-specific features like the fingerprint sensor or camera.
Warranty: Flashing a custom ROM will trip Samsung Knox, which permanently voids the official warranty and may disable Samsung Pay.
Backups: Always perform a full backup of your data, as the flashing process will completely erase the device.
Flashing a custom ROM on the Samsung Galaxy A9 Pro (2016) can breathe new life into the device by removing Samsung’s older TouchWiz/Experience bloatware and potentially upgrading it to newer Android versions. Pre-requisites
Model Check: Ensure your device is the SM-A9100 or SM-A910F.
Backup: Unlocking the bootloader wipes all data. Back up important files to a PC or cloud. Once you boot into your new custom ROM,
Battery: Maintain at least 60% charge to prevent mid-flash shutdowns.
Developer Options: Go to Settings > About Phone > Software Information and tap Build Number seven times. Then, enable USB Debugging and OEM Unlocking (if available) in Developer Options. Core Components How to Install a Custom ROM on Any Android Phone (Example
Samsung Galaxy A9 Pro (2016) (models SM-A9100 and SM-A910F), custom ROM availability is limited primarily to older Android versions or modified stock firmware
. While there are no official builds from major groups like LineageOS, community-developed options exist. Available Custom ROMs & Modifications Modified Stock ROMs : Versions like
(Android 6.0.1) are common for optimizing performance while keeping Samsung's core features Oreo-based Ports : Some community members on have successfully ported modified Android 8.0 Oreo firmware to the SM-A9100 "Debloated" ROMs
: Many users focus on "cleaning" the Chinese SM-A9100 model by removing pre-installed bloatware and installing Google Play Services (GApps) GSI (Generic System Image)
: If your device supports Project Treble, you might technically install a GSI of LineageOS or other modern Android versions, though stability varies significantly on older hardware Prerequisites for Installation
Before flashing any custom software, you must complete these steps: Unlock the Bootloader : This is often done using the CROM Service app for Chinese models Install TWRP Recovery : You need a custom recovery like TWRP (Team Win Recovery Project)
to flash ROM files. Versions 3.0.2-1 are documented for these models Backup Data : Flashing a new ROM will wipe all user data Installation Overview Tools Required : A PC with (Samsung's flashing tool) and the correct USB drivers OEM Unlock USB Debugging The Samsung A9 Pro actually supports Project Treble
in developer options, flash TWRP via Odin, then use TWRP to "Wipe" the system and "Install" your chosen ROM zip file How to Install a Custom ROM on Any Android Phone (Example
Here’s a draft write-up for installing and reviewing a custom ROM on the Samsung Galaxy A9 Pro (SM-A910F). You can adjust it based on the specific ROM you’re using (e.g., LineageOS, crDroid, Pixel Experience).
The Samsung A9 Pro actually supports Project Treble. This means you don't need device-specific ROMs necessarily. You can flash Generic System Images (GSI) from TrebleDroid or Andy Yan’s builds. This gives you access to Android 14 Beta right now!
Before we get our hands dirty, let's look at the "why." Stock firmware (One UI Core based on Android 8.0) has several crippling limitations today:
A custom ROM replaces Samsung’s heavy, outdated software with a lean, clean version of Android (usually AOSP – Android Open Source Project). The result:
Not all ROMs are created equal. Based on XDA Forums and Telegram group feedback, these are the best stable builds for the SM-A910F.
Word count: ~2,200 | Est. read time: 9 minutes
The Samsung Galaxy A9 Pro (SM-A910F) was a mid-range marvel when it launched. With its massive 6-inch Super AMOLED display, a then-impressive 4,000mAh battery, and 4GB of RAM, it punched well above its weight class. However, as Samsung shifted focus to newer A-series models (A52, A53, A73), the official software support for the A9 Pro ended at Android 8.0 Oreo.
But here is the secret that loyal owners have known for years: The Samsung A9 Pro is not dead; it is sleeping. Through the magic of Custom ROMs, you can transform this 2016 powerhouse into a modern device running Android 13 or 14, complete with new features, better security patches, and performance that rivals entry-level 2025 phones.
In this guide, we will explore everything you need to know about installing a custom ROM on your Samsung A9 Pro—from the benefits and risks to the step-by-step process and the best available builds.
As of late 2024, the development scene for the A9 Pro (Codename: a9proeltexx) has slowed, but a few legendary ROMs remain.