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125 kHz RFID

Writing data to T5577 cards

Document image


You can write saved and manually added 125 kHz cards to a T5577 rewritable blank card, which can be programmed to emulate cards with various low-frequency RFID protocols. The T5577 blanks may come in different forms and shapes, such as cards, keyfobs, stickers, and animal microchips. Flipper Zero is capable of writing data with all the supported low-frequency RFID protocols.

To write data to the card, do the following:

1

Go to Main Menu -> 125 kHz RFID -> Saved.

2

Select the card you want to write, then press Write.

3

Hold your Flipper Zero near the T5577 blank card, the device's back facing the card.

Hold the card in the center of your Flipper Zero's back
Hold the card in the center of your Flipper Zero's back

4

After writing data to the blank card, the device will display the message Successfully written.

The data has been successfully written to the T5577 blank card
The data has been successfully written to the T5577 blank card


Please note that your Flipper Zero may display the Successfully written message when writing to a read-only card. This may happen if the same data is already present on the read-only card.

If writing failed

  • The T5577 blank card might be protected with a password.
  • You are trying to write to a read-only RFID card, not a T5577 blank card.
Not all cards are rewritable
Not all cards are rewritable




Updated 12 Sep 2023
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