Cheap And Discounts CUID Android App MCT Modify UID Changeable NFC 1k s50 Tags 13.56MHz IC Card Sticker Keyfob Block 0 Writable 14443A Wholesale. Buy Directly From Merchant Shop911189099 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.