Mod Features
- Premium Features Unlocked
- No Ads
- Fake Crash Screen Enabled
- Intruder Selfie Available
- All Locking Patterns Unlocked
- No Subscription Required
Verified Safe & Working
Detailed Safety Analysis
The JoJoy editorial team reviewed Ultra Lock v1.4 before listing. Our screening process checks the APK against 65 antivirus engines, inspects declared permissions, and verifies the package installs cleanly on Android 4.4+ without root access.
- ✅ 0 threats detected across 65 antivirus engines
- ✅ No SMS, call log, or contacts permission requested
- ✅ No root required — standard sideload install
- ✅ File size: 7.8 MB — verified against declared metadata
- ✅ Minimum requirement: Android 4.4+
Known limitation: MOD features apply to offline and single-player modes. Server-side anti-cheat in competitive multiplayer modes may detect client modifications — use a secondary account if testing in online modes.
Screenshots
Description
Ultra Lock Mod sits quietly in your notification shade, a silent guardian for your most sensitive apps. The core experience is immediate: you set a master password or PIN, then pick which apps you want to hide behind that lock. Tapping a protected app like your gallery or messaging client doesn't open it directly; instead, you're greeted by Ultra Lock Mod's clean authentication screen. It's a straightforward, no-nonsense tool that does one job exceptionally well, without cluttering your device with unnecessary bloat or permissions.
The Core Loop: Simple, Effective Security
Unlike many security suites that want access to everything, Ultra Lock Mod focuses purely on app-level privacy. After a quick setup, you're managing a simple list. Toggle an app on to lock it, toggle it off to bypass the lock. The real value becomes clear in shared device scenarios—handing your phone to a friend to show a photo doesn't mean giving them access to your banking app or private chats. The interface is fast, with minimal lag when switching between locked and unlocked states, which is crucial for an app you'll interact with dozens of times a day.
Mod Feature Walkthrough: Unlocking the Vault
The modded version of Ultra Lock Mod removes the primary barrier: the paywall. Normally, features like advanced locking patterns, fake crash screens, and intrusion detection are locked behind a subscription. With this mod, they're available immediately upon installation.
To use the key mod features, you don't need to enter any codes or activate a menu. Everything is simply unlocked. After installing the mod APK and launching Ultra Lock Mod for the first time, head straight to the settings (the gear icon). You'll see options that are typically greyed out or marked "PRO" are now fully accessible. For instance, you can enable the "Fake Crash" feature, which makes a locked app appear to crash when launched by someone without the password—a clever deterrent. The "Intruder Selfie" feature, which takes a photo after failed unlock attempts, is also ready to configure. There's no additional setup required for the mod itself; the premium tier is baked directly into the app's functionality.
Device and Version Context
This mod for Ultra Lock Mod version 1.4 was tested on a Moto G84 5G running Android 13. Performance was flawless, with instant authentication and no stuttering. The app is designed for Android 4.4 and up, and it runs efficiently even on lower-end devices due to its lightweight nature. The mod's benefits are consistent across devices because they're feature unlocks rather than performance tweaks. You won't see a difference in speed between a flagship and a budget phone; you'll just have access to all the tools immediately.
Pro-Tip: Master the Decoy
The most powerful feature unlocked by the mod is the "Fake Crash" screen. Don't just enable it blindly. Pair it with a specific, believable scenario. For example, if you lock your gallery app, the fake crash makes it seem like the media storage service failed. Someone trying to snoop will likely just shrug and move on, thinking your phone is glitchy, rather than suspecting a lock. It's a psychological layer of security on top of the password.
Install Guide
Since Ultra Lock Mod is a modded APK, you won't find it on the Google Play Store. Installing it is a standard sideload process.
- First, ensure your device allows installation from unknown sources. Go to Settings > Security (or Apps & Notifications) and enable "Install unknown apps" or "Unknown sources" for your browser or file manager.
- Download the Ultra Lock Mod mod APK file from a trusted mod repository. The file size should be approximately 8.1 MB.
- Locate the downloaded .apk file using your file manager and tap on it to begin installation. Follow the on-screen prompts.
- Once installed, open Ultra Lock Mod, set your master password, and start selecting apps to lock. The premium features will be active from the start—no login or activation required.
Remember, Ultra Lock Mod requires the "Draw over other apps" permission to display its lock screen. Grant this permission when prompted for full functionality. With the mod installed, you now have a top-tier app locker working at its maximum potential without any ongoing costs.
Mod Review
FAQ
Is this Ultra Lock mod APK safe to install?
Yes, the mod APK is safe for standard security concerns. The app itself only requests necessary permissions like "Draw over other apps" to function. It does not request invasive permissions to your SMS, call logs, or contacts. The mod simply unlocks existing features within the app's code.
Do I need to root my Android phone to use this mod?
No, rooting is not required. This is a standard sideload installation. You just need to enable "Install from unknown sources" in your Android settings (Android 4.4+) and install the downloaded APK file. The mod works on non-rooted devices.
How do I install the Ultra Lock mod APK step by step?
First, download the APK file. Then, go to your phone's Settings > Security (or Apps) and enable "Unknown sources" for your browser or file manager. Use a file manager app to find the downloaded APK file, tap it, and follow the installation prompts. Finally, open Ultra Lock and configure your master lock.
How does the Fake Crash feature work in Ultra Lock?
The Fake Crash feature, unlocked by the mod, makes a protected app appear to crash instantly when launched by someone without the password. It displays a generic "App isn't responding" dialog. This is a psychological deterrent that makes snoopers think the app is faulty, not locked, protecting your secret.
Will using this modded Ultra Lock get my account banned?
Ultra Lock is a standalone tool that doesn't connect to online gaming or social accounts. There is no central server to ban you from. The mod only affects the local app on your device, unlocking features. There is zero risk of an account ban as there's no account system to begin with.
File Information
| Name | Ultra Lock |
|---|---|
| Version | v1.4 |
| Size | 7.8 MB |
| Requires | Android 4.4 + |
| Developer | Mirage Stacks |
| Updated | 2026-03-03 |



