🔒 Android Privacy Hardener

Harden Android privacy in under 5 minutes via ADB. No root required. 10 targeted steps.

What it does

Step	Action
1	Disables crash reporting & analytics upload
2	Restricts Google location/WiFi/BLE background scanning
3	Revokes LOCATION, CONTACTS, MICROPHONE from known ad packages
4	Blocks clipboard access for Facebook & Google Search
5	Disables background microphone for Google, Bixby, Alexa
6	Switches NTP to Cloudflare, disables captive portal pings
7	Hides notifications & content on lockscreen
8	Cleans up risky developer options
9	Notes sensor restriction (guides to NetGuard)
10	Opts out of Google Ad ID tracking

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Quick Start

# Install ADB
brew install android-platform-tools   # macOS
winget install Google.PlatformTools   # Windows
sudo apt install adb                  # Linux

# Enable USB Debugging on phone
# Settings → Developer Options → USB Debugging

# Clone & run ALL steps
git clone https://github.com/OutrageousStorm/android-privacy-hardener.git
cd android-privacy-hardener
chmod +x harden.sh
./harden.sh --all

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Run Individual Steps

./harden.sh --step 3   # Only revoke ad permissions
./harden.sh --step 5   # Only restrict microphone
./harden.sh --help     # List all steps

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After Hardening

• Firewall: Install NetGuard (no root, F-Droid) to block internet per-app
• Private DNS: Settings → More → Private DNS → dns.adguard.com
• ROM upgrade: For maximum privacy, consider GrapheneOS (Pixel) or CalyxOS
• Full ROM guide: android-rom-guide

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Compatibility

Android Version	Supported
Android 10	✅ (partial — some appops not available)
Android 11	✅
Android 12	✅
Android 13	✅
Android 14/15	✅

Works on all brands: Pixel, Samsung, Xiaomi, OnePlus, etc.

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Built by Tom · MIT License