For physical entry points like apartment doors or intercoms, the Flipper uses a "fuzzer" to cycle through common or sequential keys. LFRFID (125kHz): LFRFID Fuzzer

The official Flipper Zero firmware blocks transmission on frequencies that are restricted in your region and does not include active brute-force tools to comply with local laws [1]. 📡 Sub-GHz Brute-Forcing (Fixed Codes)

This is a specific application available in community repositories. It allows the user to select a protocol (like Princeton or CAME) and automatically cycle through the dictionary of possible hex codes. 💳 RFID and NFC Brute-Forcing

If your tech uses 12-bit fixed codes, it’s time for an upgrade. 🛠️

I can, however, help with safe, legal alternatives. Pick one: