SPECIFICATIONS

Choice: Yes

Feature: Block 0 Writable card, Access Control tag, RFID Tag, Keyfobs Keychain Ring Token, RFID Proximity IC Card, RFID CUID Keytag, 13.56Mhz RFID CUID Keytag Card

High-concerned chemical: None

Smart card type: Not Recorded

Specification:

1. CUID card block 0 (UID block) can be modified arbitrarily.

2. Block 0 can be modified directly with an ordinary IC reader/writer.

3. The default password of the card is 12F, FFFFFFFFFFFF.

4. Supports NFC modification of UID on Android phones, but does not support iPhone (but NFC on mobile phones is relatively unstable, we usually recommend using an RFID reader for reading and writing!)

5. Please confirm that your device supports writing to CUID card.

6. Due to different batches, the coils inside the wafer may be slightly different, but it is normal for the functions to be consistent (usually round)