Hello,

I have read at NFC forum Frecuently Asked Questions the following
What are the operating modes of NFC devices?
NFC devices are unique in that they can change their mode of operation to be...

Hello,

I have just opened the one that I have! :-)
I have read in another thread that even though the hardware(chip(PN512) and antena)allows it the firmware is not yet implemented. So the phone...

The Nokia has got a NXP PN512 chip inside, so the chip does allow ISO14443B communication, I don't know if Nokia has implemented the firmware and it is accesible or not. But there is no limitation...

Nokia 6131 NFC is not using the PN512?? I thought that...so that means that can read both ISO1443A and B:confused:

I am trying to do something similar so using the code I have find that I am able to connect to the internal mifare card.
But when trying to write or read to any block I get a MfStandardException...

Try signing your midlet. I have done with verisign and it works.
The problem I have is that I am able to connect to the mifare internal tag but I can only read the unique code I am not able to write...

I am Trying to connect to the Internal Mifare 4k of the Nokia 6131 as well. I have bought the Verisign Certificate so I can see that signing my Midlet and using MfStandardConnection I can connect to...

Hi,

I have never used the Nokia 5140 but with the Nokia6131 NFC you can try this:
import javax.microedition.contactless.TargetListener;
import javax.microedition.contactless.TargetProperties;...

I have found the same problem when executing the Unlock Midlet
in my Nokia 6131NFC Software Development version. So I am afraid there has to be another thing.

When I used Unlock midlet to unlock my Nokia6131 NFC, when start execution it connetx to the server bu later on, met an error of "Unlock process incompleted!" .
The process of unlocking the Secure...