Thank you for your reply. Responses:

• I obtain my ring as a Kickstarter supporter.
• I use usually use Sony Xperia Z and Nexus 7.
• Apart from the mentioned devices I tried with others and the transparent tag is not working in all of them.

Regards,

Borja.

Hello,

I do have an issue with my ring. It worked fine until one day the transparent NFC part stop working whereas the black NFC part is working fine.

Any idea about this? I would appreciate if someone could tell me what I should do.

Thanks in advance for your help,

Best regards,
Borja.