Android’s NFC stack is pretty fragile apparently. I found a really nifty way of freezing the UI with a simple vCard the other day. If you don’t know how to unlock it, you pretty much have to reboot the phone 
Android’s NFC stack is pretty fragile apparently. I found a really nifty way of freezing the UI with a simple vCard the other day. If you don’t know how to unlock it, you pretty much have to reboot the phone