Samsung Galaxy A9 Pro (2016) (model SM-A9100/A910F) is an older device that has a limited but dedicated custom ROM community. While it is no longer officially supported by Samsung, you can find projects that keep it updated with newer versions of Android. Popular Custom ROMs for Samsung A9 Pro
: This is the most common choice for stable, near-stock Android performance. While official builds have largely ceased, you can find unofficial LineageOS ports on platforms like XDA Developers that bring newer Android versions to the device. One UI Ports
: There have been efforts to port newer versions of Samsung's own software, including
, to older A-series models for those who prefer the Samsung ecosystem over stock Android. GSI (Generic System Image)
: For more experimental users, GSIs can sometimes be used if the device has a compatible partition structure, potentially allowing for ROMs like Project Infinity X Core Installation Process
To install any custom ROM on this device, you must follow these high-level steps: Unlock Bootloader : This is the critical first step and will wipe all your data Flash TWRP Recovery : You need a custom recovery like to "flash" (install) the ROM files onto your system. Wipe System/Data
: Use TWRP to clear the existing operating system to prevent software conflicts. Flash ROM & GApps : Install the ROM
file. If the ROM doesn't include Google services, you will also need to flash a Critical Considerations VolTE Issues
: A common problem with Samsung custom ROMs (especially non-One UI based ones) is the loss of
(Voice over LTE) functionality, which can affect your ability to make calls on modern networks. Device Variants
: Ensure the ROM you download specifically matches your model number (e.g.,
). Flashing a ROM meant for a different region or variant can lead to "bootloops" or hardware malfunctions like a non-responsive touch screen technical guide on how to flash TWRP specifically for the This Custom ROM Obliterates Every Android Skin!
The Samsung Galaxy A9 Pro (2016) Go to product viewer dialog for this item.
remains a favorite for power users specifically due to its massive 5,000 mAh battery and high-quality build. While the stock software is dated, it is a popular target for custom ROM experimentation to extend its lifespan. Performance & Build Highlights
Insane Battery Life: The 5,000 mAh battery is the standout feature, often lasting over two days on a single charge. samsung a9 pro custom rom
Solid Build: It features a premium glass and aluminum design that feels sturdy, though its 6-inch frame and 210g weight make it feel top-heavy for some.
Smooth Hardware: Equipped with a Snapdragon 652 and 4GB RAM, it handles high-end games and multitasking without significant lag even years later.
Great Display: The 6-inch Super AMOLED 1080p screen is praised for its vibrant colors and deep blacks, perfect for media consumption. Custom ROM Experience Using a custom ROM on the Go to product viewer dialog for this item.
can modernize the device, though it comes with specific trade-offs.
My First Custom ROM Experience: 2 Days of Hell (Thanks, Samsung)
Custom ROMs for the Samsung Galaxy A9 Pro (2016), specifically models SM-A9100 and SM-A910F, focus on extending the life of this legacy device by stripping away older TouchWiz bloat and updating the Android version. Popular ROM Options
While official development for this older model has slowed, several community-driven projects remain the standard for modification:
LineageOS (Various Versions): Often considered the "gold standard" for stability, LineageOS provides a clean, bloat-free experience that can significantly increase screen-on time (SOT) and overall system speed.
Evolution X: A Pixel-themed ROM that brings a "stock" Google experience with added customization and modern UI elements to older Samsung hardware.
UN1CA: A more recent community favorite for Samsung devices that ports newer versions of One UI (like One UI 6.1) to older hardware, providing a modern look while maintaining Samsung-specific features.
Project Treble / GSIs: For models that are Treble-compliant, Generic System Images (GSIs) allow users to install a variety of modern Android versions (up to Android 14/15) even if a specific ROM isn't built for the A9 Pro. Key Benefits of Flashing
The Samsung Galaxy A9 Pro (2016, model SM-A9100/A910F) does not have official support from major custom ROM projects like LineageOS as of early 2026. However, users can often find unofficial ports or GSIs (Generic System Images) on community forums.
Below is a draft post you can use for a blog, forum, or social media update.
Reviving the Beast: Samsung Galaxy A9 Pro (2016) Custom ROM Guide Samsung Galaxy A9 Pro (2016) (model SM-A9100/A910F) is
The Samsung Galaxy A9 Pro was a battery king back in the day, but official updates stopped at Android 8.0 Oreo. If you’re looking to bring it into 2026 with a modern Android version (like Android 13, 15, or even 16), custom ROMs are your best bet. 1. Why Flash a Custom ROM?
Modern Android Features: Access the latest security patches and UI improvements.
Debloated Performance: Remove heavy Samsung One UI processes for a smoother experience.
Extended Life: Keep using a perfectly good 5,000mAh battery device without being stuck on outdated software. 2. Popular ROM Options
Since official support is limited, check these sources for the most active builds:
Samsung A9 Pro Custom ROM Options
The Samsung A9 Pro (SM-A920F) is a powerful device that can run various custom ROMs, offering enhanced features and performance. Some popular custom ROMs for the A9 Pro include:
Before installing a custom ROM:
Installation process:
Remember:
For owners of the Samsung Galaxy A9 Pro (2016) —specifically models
—the custom ROM scene is primarily focused on modernizing this aging device and removing regional bloatware. Top Custom ROM Options LineageOS (Unofficial):
The most popular choice for long-term support. While official builds have largely ceased for this specific model, unofficial versions (often based on Android 8.0 LineageOS 15.1 ) are frequently used to replace the stock experience. Stock Oreo (SM-A9100): For the Chinese variant, users often flash the official Android 8.0 Oreo firmware via
to gain a more global experience, often combined with specific region-changing files (like the SER region) to enable Google services and remove Chinese-specific apps. GSI ROMs (Project Treble): If your device has been modified to support Project Treble LineageOS : A popular, open-source ROM that offers
, you can potentially flash Generic System Images (GSIs) for newer versions like Android 11 or higher , though stability varies greatly. Core Installation Steps
To install any custom ROM on the A9 Pro, follow this standard hierarchy: Unlock the Bootloader Developer Options (tap "Build Number" 7 times). OEM Unlocking USB Debugging Install TWRP Recovery Download the model-specific TWRP recovery image file using in Download Mode (Volume Down + Home + Power). Wipe Device In TWRP, perform a Factory Reset and wipe the System, Data, Cache, and Dalvik partitions. Flash the ROM & GApps Transfer your chosen ROM zip file and corresponding Google Apps (GApps) to the SD card. In TWRP, select
, pick the ROM first, then the GApps package, and swipe to confirm. Critical Warnings : Flashing a custom ROM will permanently trip the Samsung Knox security bit, disabling Samsung Pay Secure Folder : Unlocking the bootloader and flashing will wipe all user data . Always back up files first. Variant Specifics
: Ensure you use files specifically for your variant (A910F vs. A9100) to avoid hard-bricking the device. for your specific model variant?
Title: Breathing New Life into a Classic: The Samsung Galaxy A9 Pro on Custom ROMs
Rating: ★★★★☆ (4/5)
The Verdict Up Front: If you are still holding onto the Samsung Galaxy A9 Pro (2016), installing a Custom ROM is no longer just an option—it is a necessity. While the hardware remains surprisingly competent, the software support has long since died. A good Custom ROM transforms this device from an outdated paperweight into a smooth, daily-driver capable smartphone.
The "Why": Escaping the Bloat The stock TouchWiz experience on the A9 Pro was heavy, bloated, and stuck on Android 6.0 (Marshmallow) for most users. Out of the box, the phone suffered from lag and stutter, particularly when navigating the app drawer. The biggest tragedy was that Samsung locked the bootloader on later security patches, making it difficult for casual users to root. However, if you have an older unit or managed to unlock it, the Custom ROM community—specifically projects based on LineageOS or Resurrection Remix—has done wonders for this device.
Performance: A Night and Day Difference Switching to a lightweight Custom ROM (specifically Android 9.0 Pie or Android 10 builds) completely changes the personality of the phone.
Features: Gaining What Samsung Left Behind Custom ROMs bring features to the A9 Pro that Samsung never offered:
The Caveats (Where it loses a star) It isn't a perfect transition.
Final Thoughts The Samsung Galaxy A9 Pro is a hardware beast that was held back by mediocre software. Installing a Custom ROM is like taking off a weighted vest. You lose a little bit of camera finesse, but you gain a modern OS, double the speed, and incredible battery efficiency.
If you are tech-savvy enough to unlock the bootloader, flash TWRP, and install a ROM, this 2016 device can easily serve as a solid backup phone or even a daily driver for light users in 2024. Highly recommended for extending the device's lifespan.
You cannot just download an APK. Flashing a custom ROM requires a PC and specific tools.
For the A9 Pro, the development community has been surprisingly resilient. Here are the top picks based on your needs:
Do you miss the Google Pixel aesthetic? Pixel Experience ports the look, feel, and exclusive features of Google’s flagship onto the A9 Pro. The UI is buttery smooth, and you get the Google Camera app (GCam) integration much easier here than on stock firmware.