100pcs GEN2 CUID Android App MCT Modify UID Changeable NFC 1k S50

Model Number : CUIDK-100 Brand Name : YEVERAXIN Origin : Mainland China Certification : CE CUID Android App MCT Modify UID Changeable NFC 1k s50 13.56MHz Keyfob Block 0 Writable 14443A The product is as follows: 1,UID card block 0 (UID #39;s block) can be modified arbitrarily. 2, card of the default password for 12 F,FFFFFFFFFFFF. 3,Support android phone NFC modify UID. Note:Common 13.56mhz rfid reader writer cannot write the CUID cards! NFC phone andriod App(MCT), acr122U,iCopy3,PM5,300CD, Proxmark 3 support write CUID cards.