Fine Lock
Tools
Fine Lock is a lightweight Android utility aimed at Samsung owners who want deeper visual and functional tweaks without juggling multiple apps. By bundling the most popular modules from Samsung’s Good Lock suite and Galaxy Labs, it offers a single place to adjust themes, navigation, and other UI elements.
This page provides the latest version details, installation steps, compatibility notes, and practical tips to help you get the most out of Fine Lock.
Quick Information
| App/Game Name | Fine Lock |
| Latest Version | 1.3.13 |
| Developer | Not listed |
| Category | Apps / Tools |
| App Size | 4.5 MB |
| Package Name | yuh.yuh.finelock |
| Last Updated | 1 October 2026 |
What Is Fine Lock?
Fine Lock serves as a convenience hub for Samsung customization. It pulls together the key features of Good Lock—such as lock screen tweaks, quick panel adjustments, and navigation bar styling—and merges them with experimental options from Galaxy Labs. The app is designed for users who enjoy personalizing their device’s look and feel beyond the standard settings.
Because it is not an official Samsung product, some advanced modules may behave differently than their native counterparts, and certain features could be limited by the device’s Android version or One UI build.
Compatibility
| Android Version | Not Verified |
| Architecture (ARM64 / 32-bit) | ✓ Verified — Supports common device architectures |
| Internet Connection | ✓ Verified — May be required for ads, updates, or login |
| Storage Needed | Not Verified |
| OBB/Data Files | Not Verified |
| Root Required | Not Verified |
How to Install
- Download the Fine Lock APK file to your device.
- Open Settings → Security and enable Install unknown apps for the browser or file manager you will use.
- Locate the downloaded
FineLock.apkin your Downloads folder and tap it. - Follow the on‑screen prompts to complete the installation.
- Once installed, launch Fine Lock and grant any requested permissions to allow it to modify system UI components.
Troubleshooting
- App not installed: Ensure the APK is compatible with your Android version and that unknown sources are enabled.
- Crashes on startup: Clear the app’s cache via Settings → Apps → Fine Lock, then restart the app.
- Customization options missing: Some modules require a specific One UI version; check if your device meets the minimum requirement.
- Changes not applying: Restart the device after applying a new theme or UI tweak.
Safety & Security
Fine Lock is a modified package that accesses system UI elements, so it requests permissions such as Display over other apps and Modify system settings. Install the APK only from a trusted source, review the permission list, and avoid entering personal or financial information within the app. Keep an eye on future updates, as changes to Samsung’s system components can affect compatibility.
How Fine Lock Compares
| Feature | Fine Lock | Good Lock (official) | Nova Launcher |
|---|---|---|---|
| Price / Free model | Free | Free (with optional paid modules) | Free with paid Pro upgrade |
| Platform availability | Samsung devices running One UI | Samsung devices (official store) | All Android phones and tablets |
| Standout feature | Combined Good Lock + Galaxy Labs modules in one APK | Officially supported, regular updates from Samsung | Highly customizable home screen and gestures |
| Best for | Users who want a single package for multiple Samsung UI tweaks | Users who prefer official, regularly updated Samsung tools | Users seeking extensive launcher customization across any Android device |
Alternatives
- Good Lock – Samsung’s native customization suite, offering modules like LockStar, QuickStar, and NavStar.
- Galaxy Labs – Experimental features released by Samsung for early adopters, accessible via the Galaxy Store.
- Nova Launcher – A popular third‑party launcher that provides deep home screen and gesture customization for all Android devices.
- One UI Themes – Official theme store allowing visual changes without altering system modules.
Final Verdict
Fine Lock is a handy, all‑in‑one solution for Samsung enthusiasts who want to experiment with Good Lock and Galaxy Labs features without installing multiple apps. It’s lightweight and free, but because it’s not an official Samsung release, users should verify compatibility with their specific One UI version and be cautious about granting system permissions. If you prefer officially supported tools, Good Lock remains the safest choice; otherwise, Fine Lock offers a convenient shortcut for power users.
Frequently Asked Questions
Install it only from a reputable source, review the permissions it requests, and avoid entering sensitive data within the app.
Fine Lock works on Samsung devices running One UI, but specific modules may need a minimum Android version; check the compatibility table for details.
No, Fine Lock does not require root; it uses standard Android permissions to modify UI elements.
Fine Lock is designed for Samsung devices; functionality on other Android phones is not guaranteed.
No, Fine Lock operates alongside Good Lock. You can keep both apps installed if you wish.
Download the latest APK, uninstall the previous version (keeping data if prompted), and install the new file.
System updates can change UI components that Fine Lock modifies; reinstalling the app or waiting for an updated build usually resolves the issue.
Yes, Fine Lock includes modules that let you customize lock screen appearance, similar to Good Lock's LockStar.
