Samsung A04 Custom Rom -
Modifying your device software carries risks. Rooting, unlocking the bootloader, or flashing ROMs can void your warranty and may brick your device if done incorrectly. The A04 series has multiple regional variants (e.g., SM-A045F, SM-A045M). Always ensure the ROM matches your specific model number. The author is not responsible for any damage to your device.
The custom ROM scene for Samsung devices is notoriously trickier than for Xiaomi or OnePlus. Because Samsung locks its bootloaders tightly (via Knox), you face specific hurdles:
You have been warned. If you rely on this phone for daily banking or work, think twice.
Solution: Use Open Camera from F-Droid or install a GCam APK specifically tuned for the Exynos 850. The stock camera app on custom ROMs is usually broken. samsung a04 custom rom
Some developers take the base of One UI and strip away the bad stuff while adding useful tweaks. These are often safer bets for Samsung devices as they retain the Samsung camera algorithms.
If custom ROMs aren’t for you, you can always go back.
Warning: Knox remains tripped. Samsung Pay will never work again. Modifying your device software carries risks
| Problem | Solution |
|--------|----------|
| No SIM detection | Flash your stock modem.bin via Odin (CP tab). |
| Camera crashing | Use Open Camera from Play Store instead of stock camera. |
| Banking apps fail | Install Magisk + Play Integrity Fix module + enable Zygisk. |
| Battery draining fast | Calibrate battery: drain to 0%, charge to 100% without interruption. |
| VoLTE not working | Most custom ROMs don’t support VoLTE on Unisoc chips. Use 3G calls. |
As of late 2024/2025, the community has delivered some excellent options. Here are the standouts:
| ROM | Based On | Best For | Stability | | :--- | :--- | :--- | :--- | | LineageOS 20/21 | Android 13/14 | Pure, stock Android experience (no bloat, fast) | ⭐⭐⭐⭐ (Daily driver ready) | | crDroid | Android 14 | Customization freaks (status bar tweaks, gestures, themes) | ⭐⭐⭐ | | Evolution X | Android 14 | Pixel-like look with Google Photos spoof (unlimited storage) | ⭐⭐⭐½ | | Project Elixir | Android 14 | Minimalist + great battery life | ⭐⭐⭐⭐ | The custom ROM scene for Samsung devices is
The Samsung Galaxy A04 (SM-A045F/DS, SM-A045M) is a budget champion. Launched in 2022, it offers a large 6.5-inch display, a 50MP camera, and a 5,000mAh battery for an incredibly low price. However, like many entry-level Samsung devices, it runs One UI Core—a stripped-down version of Samsung’s software. While functional, it can feel laggy, bloated, and starved of the latest Android features.
Enter the world of custom ROMs. For tech enthusiasts and users looking to breathe new life into their device, installing a custom ROM on the Samsung A04 can transform it from a sluggish budget phone into a smooth, personalized powerhouse.
But is it worth the risk? What ROMs are available? How do you install them? This guide covers everything you need to know about custom ROMs for the Samsung Galaxy A04.