Pry-Fi screenshots (6)
Description Pry-Fi
The Unseen Wi-Fi Beacon and How to Silence It
Most Android users are unaware their device continuously broadcasts a list of every Wi-Fi network it has ever connected to, even when not actively searching for a network. This persistent background scanning, often tied to the 'Network notification' or 'Scanning always available' setting, creates a privacy vulnerability by announcing your home, work, and frequented locations. Pry-Fi, developed by Chainfire—known for the seminal SuperSU root tool—is a utility designed specifically to intercept and halt this data leakage. It operates by forcing a complete deactivation of the internet connection when the screen is off, thereby preventing your device from advertising known networks to any nearby receiver while maintaining your ability to connect manually when needed.
Core Functionality and Operational Analysis
The application functions as a low-level controller for your device's Wi-Fi radio. Upon activation, Pry-Fi does not merely disable background scanning; it severs the active internet data pathway. This means that while your device remains connected to the Wi-Fi router's local network, all outbound traffic is blocked. The practical effect is that services and apps cannot transmit data, and crucially, your device ceases to broadcast probe requests containing your saved network names (SSIDs). For users frequently on public Wi-Fi, this drastically reduces the digital footprint available for tracking or profiling. A critical technical prerequisite is that the device must have root access. Without root permissions, Pry-Fi cannot enforce the deep system-level changes required for its core function, rendering it ineffective.
- Blocks Persistent Wi-Fi SSID Broadcast: Prevents your device from announcing saved network names to any listening device in range, closing a major privacy gap.
- Forces Full Internet Disconnect on Screen-Off: Deactivates the active data pathway while maintaining the local network link, a more thorough approach than simple scanning toggles.
- Requires Root Access for Full Operation: Leverages system-level permissions to enforce connectivity rules that standard apps cannot achieve.
- Zero Advertisements or User Tracking: The app contains no ad frameworks or analytics code, aligning with its privacy-focused development ethos.
- Particularly Effective on Public Networks: Mitigates risks in cafes, airports, and hotels where network probe data can be easily collected and analyzed.
Get your bonus of enhanced network privacy and take control of your device's wireless behavior today. Download the mobile app now to implement this critical network control.
Disclaimer: This application requires a functional internet connection for initial download and may require in-app configuration. It necessitates a rooted Android device to operate as intended. Use is subject to your local laws and regulations regarding network management. The developer is not responsible for any unintended connectivity issues or data usage. This tool is intended for advanced users familiar with root access and system modifications.
Information
| Version | 1.21B |
| Developer | Chainfire |
| Requirements | Android Android + 4.0, 4.0.1, 4.0.2+ |
| Updated | 17.03.2026 |
| Size | 71.93 KB |
| Package | eu.chainfire.pryfi |
| Signature | 61956112b0e971576383f8592bce549c |
| Architecture | armeabi, armeabi-v7a, mips, x86 |