Top 5 Best Custom ROMs for Samsung Galaxy A51 (SM-A515F & Variants) in 2025

The Samsung Galaxy A51 (SM-A515F) remains one of the most widely used mid-range smartphones, thanks to its excellent hardware and user-friendly form. However, as Samsung ends security updates for many devices released before 2020, Galaxy A51 users increasingly turn to custom ROMs to breathe new life into their devices. There’s a custom ROM, whether you’re seeking speed, privacy, customizability, or a near-stock Android experience. Below, we dive deep into the top 5 custom ROMs for the Samsung Galaxy A51, breaking down what makes each unique, reliable, and perfect for extending your smartphone’s life beyond the official support cycle.

✅ LineageOS – Lightweight, Stable, and Privacy-Focused

Based on: AOSP (Android Open Source Project)

Status: Available (Unofficial builds for Galaxy A51)

Website: LineageOS.org

LineageOS is a legendary name in the Android community. Developed as the spiritual successor to CyanogenMod, it is built for users who want a clean, bloatware-free, and near-stock Android experience.

Key Features of LineageOS:

• Minimal UI: Experience the true Android feeling without Samsung’s heavy skin.
• Privacy Guard: Gives you fine-grained permission control over every app.
• OTA Updates: Even unofficial builds often get regular security patches.
• Stability: Known for being ultra-stable, perfect for daily drivers.

Why Choose LineageOS for Galaxy A51:

If you’re tired of Samsung’s One UI lag or excessive system apps, LineageOS offers a smooth, distraction-free experience with solid community support and robust updates. Its lightweight nature improves battery life, and it’s optimized for performance.

✅ Pixel Experience – The Cleanest Google Pixel Experience on A51

Based on: AOSP + Pixel UI

Status: Available via Unofficial Port

Website: Pixel-Experience.org

If you admire the Google Pixel series but want to stick with your A51, Pixel Experience ROM brings you the next best thing. With its focus on mimicking the Pixel feel, it’s a favorite among those who love a minimalist setup with Google-exclusive features.

Top Features of Pixel Experience:

• Pixel Launcher with Google Feed
• Pre-installed GCam Support for better photos
• Pixel Boot Animation & Sounds
• High Battery Optimization

Why It’s Perfect for Galaxy A51:

Pixel Experience transforms your A51 into a Pixel-like device with minimal effort. It’s perfect for users who desire simplicity and Google’s ecosystem, without the bloatware. Even in its unofficial builds, it offers excellent smoothness and refined aesthetics.

✅ crDroid – The Perfect Balance of Features and Performance

Based on: LineageOS with additional enhancements

Status: Available via Unofficial Ports

Website: crDroid.net

If you’re the kind of user who wants complete control over every aspect of your device, then crDroid is your go-to ROM. Built on LineageOS, it adds powerful customization features without compromising performance and stability.

crDroid Highlights:

• Extensive UI Tweaks (status bar, notifications, animations)
• Smart Charging and Thermal Profiles
• Gaming Mode & Performance Tweaks
• Minimal Battery Drain

Why Galaxy A51 Users Love crDroid:

crDroid takes the clean base of LineageOS and supercharges it with extra capabilities. From enhanced theming options to security additions like face unlock and lockscreen shortcuts, crDroid gives your A51 flagship-level control.

✅ Evolution X – Pixel Feel with Deep Customization

Based on: AOSP with Pixel UI

Status: Available Unofficially for Galaxy A51

Website: Evolution-X.org

Evolution X is the go-to ROM for those who want the Pixel aesthetics and experience but don’t want to miss out on personalization options. It is highly optimized and still manages to maintain excellent stability and performance.

Best Features of Evolution X:

• Regular OTA Support
• Advanced Notification Controls
• Quick Settings Customization
• Built-in Theme Engine

Why It Stands Out for Galaxy A51:

Evolution X delivers the best of both worlds — the refined simplicity of Pixel UI and the deep configuration options of a custom ROM. Users enjoy buttery-smooth animations, improved multitasking, and excellent gaming stability.

✅ Corvus OS – Built for Gamers and Power Users

Based on: AOSP

Status: Unofficial Builds for A51

Website: CorvusROM.com

Corvus OS is all about aggressive performance, gaming enhancements, and aesthetic customization. While it’s not as minimal as others, it is perfect for hardcore users who want more power from their smartphone.

Corvus OS Standout Features:

• Gaming Mode with FPS Stability
• Pulse Music Visualizer
• Raven Launcher Customization
• Aggressive RAM Management

Why A51 Gamers Love Corvus OS:

With a focus on performance, Corvus OS enhances the gaming experience, especially on hardware like the A51. The customizable QS tiles, lockscreen tweaks, and power-saving options allow users to fine-tune their performance and squeeze out extra frame rates in gaming.

How to Choose the Best Custom ROM for Your Galaxy A51

When selecting a custom ROM for your device, keep these factors in mind:

• Purpose: Choose gaming, stability, or customization based on your needs.
• Developer Support: Go with ROMs that have active communities and regular updates.
• Compatibility: Ensure your specific Galaxy A51 variant (e.g., SM-A515F) is supported.
• GApps Requirements: Some ROMs need a separate installation of Google Apps.

Unlocking the Full Potential of Galaxy A51 with Custom ROMs

Installing a custom ROM is like giving your Galaxy A51 a second life. These ROMs strip away the Samsung bloatware, boost battery performance, enhance security, and open the doors to a custom Android experience like never before.

Whether you’re a casual user who wants a cleaner UI or a power user looking to overclock your kernel, there’s a perfect ROM in this list for your journey.

Selva Ganesh

Selva Ganesh is a Computer Science Engineer, Android Developer, and Tech Enthusiast. As the Chief Editor of this blog, he brings over 10 years of experience in Android development and professional blogging. He has completed multiple courses under the Google News Initiative, enhancing his expertise in digital journalism and content accuracy. Selva also manages Android Infotech, a globally recognized platform known for its practical, solution-focused articles that help users resolve Android-related issues.