Because the A04 supports Project Treble, you can flash any ARM64 A/B GSI. Popular GSIs:
GSIs are more universal but have more bugs than device-specific builds.
Where to find them: XDA Developers Forums (Samsung Galaxy A04 section), Telegram groups (
@SM_A04_Official), or GitHub releases.
Samsung guaranteed only two major Android updates for the A04 (from Android 12 to 14). With a custom ROM, your A04 can run Android 15, 16, or even lightweight Linux-based systems long after Samsung has ceased support.
Some developers take newer versions of OneUI (e.g., OneUI 5.1 or 6.0) from similar devices (like the A04s or A13) and port them to the A04.
The Samsung Galaxy A04 is a budget-tier device that benefits significantly from custom ROMs due to the heavy and often laggy nature of its stock One UI Core software. Because the A04 uses a MediaTek Helio P35 chipset, it is frequently supported by GSIs (Generic System Images) rather than many device-specific custom ROMs. Performance Impact
Speed Improvements: Moving away from stock One UI Core can drastically reduce system lag and free up storage, which is critical on the 32GB model where the system can occupy nearly half the space. samsung a04 custom rom
Stability Trade-offs: While custom ROMs like LineageOS offer a smoother, "bloat-free" experience, they may have issues with specific hardware features like the camera or Bluetooth compared to official firmware.
Thermal Management: Users have reported high temperatures (40-60°C) on stock software during gaming or video editing; lightweight ROMs can sometimes help manage these thermals better by reducing background processes. Popular Custom ROM Options
Developers on platforms like SourceForge and 4PDA have ported several options for the A04 (specifically the SM-A045X variants):
LineageOS: The gold standard for a clean, fast Android experience.
crDroid: Based on LineageOS but with extra customization options.
RisingOS-Revived: A feature-rich alternative found in A04-specific development communities. Because the A04 supports Project Treble , you
PixelOS / Evolution X: Aim to replicate the Google Pixel software experience with added stability and security patches. Installation & Requirements
Installing a custom ROM on the A04 requires an unlocked bootloader, which can be done through Samsung's download mode.
Rooting: Often done alongside ROM installation using Magisk to patch the boot image.
RAM Plus: For users who don't want to switch ROMs, Samsung's "RAM Plus" feature in settings can provide a small performance boost by using virtual memory.
For the Samsung Galaxy A04 (SM-A045F/M), traditional custom ROM development is limited, but the device is highly compatible with Generic System Images (GSIs) due to its Project Treble support . Since it uses a MediaTek Helio P35
chipset, finding device-specific ROMs like LineageOS is rarer than for Snapdragon models, making GSIs the primary path for a "Pixel-like" or debloated experience. Available ROM & GSI Options (Latest 2026) GSIs are more universal but have more bugs
While official device-specific builds are scarce, several popular GSIs have been verified to work on the Galaxy A04 family: Evolution X GSI
: Offers a clean Google Pixel interface with high performance and no Samsung bloatware. LineageOS (Unofficial GSI)
: A community-maintained version often based on the latest Android releases (currently Android 15/QPR builds). PixelOS / RisingOS
: Frequently updated GSIs available through community repositories like SourceForge
: Known for its extensive customization options and lightweight performance. Prerequisites for Installation
Before attempting to flash any ROM, you must complete these steps: