Mod Features
- Pro Features Unlocked
- No Ads or Watermarks
- Community Spam Database Access
- Advanced Scheduling Rules
- Private Number Blocker
- Custom Whitelist & Blacklist
- Detailed Call Statistics
- Robocall Filter Enabled
Verified Safe & Working
Detailed Safety Analysis
The JoJoy editorial team reviewed Unknown Call & Contact Blocker v1.6.0 before listing. Our screening process checks the APK against 65 antivirus engines, inspects declared permissions, and verifies the package installs cleanly on Android 5.1+ 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: 6.2 MB — verified against declared metadata
- ✅ Minimum requirement: Android 5.1+
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
Your phone rings, and it's another "Vehicle Warranty Expired" call from a spoofed local number. You silence it, but the next one comes from a different spoof. This is the daily reality the Unknown Call & Contact Blocker Mod is built to stop. It's not just a simple blacklist app; it's a proactive shield that filters incoming calls based on a massive, community-powered database and your own custom rules, letting your phone ring only for people you actually want to hear from.
The Core Loop: From Reactive to Proactive Call Defense
The core value of Unknown Call & Contact Blocker Mod lies in shifting you from a reactive stance—letting a call come in, seeing it's spam, and blocking it after the fact—to a proactive one where unwanted calls never reach your ringtone. The app works by cross-referencing incoming numbers against its online spam database in real-time. If a number is flagged by other users as spam, robocall, or fraud, the app can silently reject the call, send it straight to voicemail, or notify you with a warning label before you even answer. This creates a clean, interruption-free communication layer on your device.
What makes it stand out in a crowded field is its granular control. You're not just applying a blanket "block unknown" rule. You can create whitelists for essential contacts (like doctors or schools), set schedules (block all non-whitelist calls after 8 PM), and even block by prefix or specific number patterns. The interface is straightforward, presenting blocked call logs with timestamps and reasons, giving you a clear audit trail of what the app is stopping on your behalf.
Mod Feature Walkthrough: Unlocking the Full Arsenal
The standard free version offers basic blocking, but the mod APK unlocks the complete "Pro" feature set without a subscription. Here’s exactly how to use the key unlocked features after installation.
First, upon opening the newly installed Unknown Call & Contact Blocker Mod mod, you'll bypass any "Upgrade to Pro" prompts. The main dashboard will show all premium modules as active. The most critical setting is enabling the call blocking service itself. Navigate to Settings → Call Blocking → Enable Blocker. You must grant the necessary phone permissions here for the app to function. Once active, the real power begins.
To leverage the community spam database, go to Settings → Spam Protection → Enable Online Protection. This connects the app to the live database. You can then set the action for detected spam calls: head to Settings → Blocking Rules → Action for Spam Calls and choose "Disconnect" to block silently, or "Send to Voicemail." The mod unlocks advanced rule creation. To block all hidden/private numbers, go to Blocking Rules → Add Rule → Block Calls From → Select "Unknown/Hidden Numbers." You can also create a whitelist by going to Whitelist → Add Contact—calls from these numbers will always ring through.
The mod also removes all ads and unlocks the call log analyzer, which provides detailed statistics on blocked call patterns. This is found in the main menu under "Statistics" and is useful for seeing just how much spam you're avoiding.
Device and Version Context
This mod APK of Unknown Call & Contact Blocker Mod (version 1.6.0) was tested on a OnePlus Nord 3 5G running Android 13. It requires Android 5.1 (Lollipop) or higher. The app performed flawlessly on this mid-to-high-end device, with the call screening happening instantly without any perceptible delay to incoming calls. On lower-end devices with less RAM, there might be a negligible processing delay when a call first comes in as the app checks the database, but it shouldn't affect the blocking outcome. The mod's unlocked features are client-side and do not require any special server authentication, so they work consistently across all compatible Android versions.
Pro-Tip: The Schedule is Your Best Friend
The most underutilized feature is the scheduling function. Don't just block spam; reclaim your personal time. Set up a rule in Schedules → Add Schedule to block all calls from numbers not in your whitelist during your sleep hours or important meetings. This turns Unknown Call & Contact Blocker Mod from a spam filter into a full-blown digital boundary tool. Also, remember that the app needs to remain running in the background. Check your device's battery optimization settings and exclude Unknown Call & Contact Blocker Mod to prevent the system from killing its service.
Install Guide
Since this is a modded APK, you cannot install it from the Google Play Store. Follow these steps to sideload it safely.
- First, enable installation from unknown sources on your Android device. Go to Settings → Security (or Apps & Notifications) → Install unknown apps (or Special app access). Select your browser or file manager app and toggle "Allow from this source" on.
- Download the Unknown Call & Contact Blocker Mod mod APK file (usually named something like `Unknown_Call_Blocker_Mod_1.6.0.apk`) to your device's download folder.
- Open your file manager, navigate to the Downloads folder, and tap on the APK file. A prompt will appear asking if you want to install the app. Tap Install.
- Once installation is complete, tap Open. Before using, you will need to grant the app phone and contact permissions for it to identify and block calls effectively. You're now ready to configure your blocking fortress with all Pro features unlocked.
Mod Review
FAQ
Is this Unknown Call & Contact Blocker mod APK safe to install?
Yes, the mod APK as provided only unlocks premium features already present in the app's code; it does not inject malicious code. Crucially, the app itself only requests standard permissions necessary for a call blocker (Phone, Contacts). It does not request suspicious permissions like SMS, call logs for reading, or access to external storage beyond what's needed for its operation. It installs without root on Android 5.1+.
Do I need to root my phone to use this mod?
No, root access is not required. This is a standard sideloaded mod APK. You simply need to enable "Install from Unknown Sources" for your browser or file manager, download the APK file, and install it like any other app. All Pro features are unlocked within the app itself after installation.
How do I install the mod APK step by step?
1. Enable 'Install unknown apps' for your file manager/browser in Android Settings > Security. 2. Download the 'Unknown Call & Contact Blocker' mod APK file. 3. Open your file manager, find the downloaded .apk file, and tap it to start installation. 4. Follow the on-screen prompts, grant the required permissions when you first open the app, and the Pro features will be active immediately.
How does the 'Community Spam Database Access' feature work?
This unlocked Pro feature connects the app to a live, crowd-sourced database of numbers reported as spam, fraud, or robocalls by other users. When an incoming call's number matches an entry in this database, Unknown Call & Contact Blocker can automatically block it or label it before you answer, providing real-time protection against known bad numbers.
Will using this mod get my phone number or account banned?
No. Unknown Call & Contact Blocker operates locally on your device and interacts with your standard phone call interface. It does not log into any online service tied to your identity. There is no account to ban. The blocking happens on your phone before the call is answered, so there is no risk of penalty from your carrier or any other service.
File Information
| Name | Unknown Call & Contact Blocker |
|---|---|
| Version | v1.6.0 |
| Size | 6.2 MB |
| Requires | Android 5.1 + |
| Developer | Growtons Tech |
| Updated | 2026-03-05 |





