7 useful things I can do with my Flipper Zero - as someone who's used it for years

2026-02-13 · Source: News and Advice on the World's Latest Innovations | ZDNET · Field: Technology & Digital — Cybersecurity & Data Privacy, Internet of Things (IoT) & Connected Devices, Software Development & Engineering · Depth: Intermediate, medium

Summary

The Flipper Zero is a portable multi-tool for pen-testers and enthusiasts, priced at $199, that integrates various wireless communication capabilities into a compact device. After three years of use, the author highlights its practical applications, debunking common misconceptions about its use for illegal activities like car theft or credit card cloning. The device features a sub-GHz wireless antenna for capturing and transmitting codes for devices like garage door remotes, RFID and NFC support for reading, storing, and emulating cards, a 1-Wire connector for iButton keys, and an infrared transceiver for controlling TVs and AC units. It also includes GPIO connectors for external gadgets and can function as a BadUSB device for automating scripts. An optional Video Game Module, powered by the Raspberry Pi RP2040 microcontroller, adds DVI video output and an IMU for expanded functionality beyond gaming.

Key takeaway

For security engineers or hobbyists evaluating portable multi-tools, the Flipper Zero offers a robust platform for legitimate testing and utility. You should explore its sub-GHz, RFID, NFC, and IR capabilities for diagnostics, access control emulation, and device control. Consider installing third-party firmware to unlock advanced features and expand its practical applications, such as BadUSB scripting or signal generation, while understanding its limitations against modern security measures like rolling codes.

Key insights

The Flipper Zero offers diverse legitimate uses for wireless interaction and security testing, beyond social media hype.

Principles

• Modern security protocols like rolling codes prevent simple retransmission attacks.
• Third-party firmware can significantly expand device capabilities.
• Physical access devices often have exploitable vulnerabilities.

Method

To clone an NFC hotel key card, read the card with the Flipper Zero, save the data, then select the saved entry and choose "emulate" to mimic the card's function.

In practice

• Test car key fobs and wireless doorbells for functionality and range.
• Clone hotel room NFC/RFID cards for convenience.
• Use as a universal IR remote for consumer electronics.

Topics

• Flipper Zero
• RFID/NFC Emulation
• Sub-GHz Wireless
• BadUSB Automation
• Infrared Control

Best for: Security Engineer, Software Engineer, General Interest

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Editorial summary, takeaway, and curation by AIssential. Original article published by News and Advice on the World's Latest Innovations | ZDNET.