It's a big issue because I think I have blocked the mifare card of my 6131NFC.
When I was writing in the sector trailers I got an exception and it seems that the block was not written completely. Now the problem is that the sector seems to be blocked.
I know that there's no way to recover a mifare card that you have blocked by writing the sector trailer with error, but is it possible to recover the 6131 one? I was thinking that there might be a complete reset/flash of the mobile phone that can make it to get back to initial configuration.
If not, would it be possible to use Smartcafe and access the mifare card from Javacard to restore the values?
Please I need help quite urgent. Nokia is no longer manufacturing the mobile phones and I need to recover this one for a demo.