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Only the Sector 0 Block Zero which is known as the Serial Number\/Manufacturers Block(Chip CUID) could be programmed to any UID you want.\u003c\/li\u003e\u003cli\u003e2, CUID card block 0 (UID's block) can be modified arbitrarily.\u003c\/li\u003e\u003cli\u003e4, CUID Support android phone NFC MCT modify UID.\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eProduct Details\u003c\/h4\u003e\u003ctable class=\\\"product-overview\\\"\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eBrand\u003c\/th\u003e\u003ctd\u003eTKOWTB\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eNumber of Batteries\u003c\/th\u003e\u003ctd\u003eUnknown batteries required.\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eCompatible Devices\u003c\/th\u003e\u003ctd\u003eAndroid Smartphone\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eItem Weight\u003c\/th\u003e\u003ctd\u003e42.5 g\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eConnectivity Technology\u003c\/th\u003e\u003ctd\u003eNFC\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003ch4\u003eProduct Description\u003c\/h4\u003e\u003cdiv class=\\\"product-desc\\\"\u003e\u003cp\u003e TKOWTB Colour:black Material:plastic Note:Common 13.56mhz rfid reader writer cannot write the CUID cards! 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The measurement allowed error is +\/- 1-3cm. \u003c\/p\u003e\u003c\/div\u003e\"}\u003c\/script\u003e","brand":"TKOWTB","offers":[{"title":"Default Title","offer_id":50525110567156,"sku":"B0GZMXLSMQ_MULTI","price":13.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/5300\/8628\/files\/51Ge8ulD27L._AC_SL1001.jpg?v=1790181560","url":"https:\/\/alignroutine.com\/products\/10pcs-gen2-cuid-android-app-mct-modify-uid-changeable-tag-keyfob-nfc-1k-s50-13-56mhz-card-block-0-writable-hf-14443a","provider":"AlignRoutine","version":"1.0","type":"link"}