 The Samsung TecTile NFC tag stickers use MIFARE Classic chips.This means only devices with an NXP NFC controller chip can read or write these tags.At the moment BlackBerry phones, the Nokia Lumia 610 (August 2012), the Google Nexus 4, Google Nexus 7 LTE and Nexus 10 (October 2013) can't read/write TecTile stickers.