Gerhard Klostermeier

Could you open the app first (without a card close to your phone)? Is there an error? Or only if you place a card on your phone while the app...

Another idea: Have you tried other apps to read a MIFARE Classic token? E.g. NFC TagInfo (by NXP). Use it with an empty MIFARE Classic card. This app should also...

Hi. Thank you for reporting this. Unfortunately, I have no idea what could be causing this. But it is not the first time that I hear of phones behaving differently...

I guess this needs more testing. However, I do not have access to two phones that show this behavior. I will leave this issue open for a while. Maybe someone...

I don't know. Is it really that easy to do it by accident? You have to first press the menu button first and then select delete file. Implementing a recycle...

Hehe, I get it. I'm one of those idiots as well. Even on the my Linux command line I delete files by putting them into the recycle bin. >but you...

Fair. It is likely that if you do not copy a dump to a new tag (with default keys) you most likely writing it to the original tag. Therefore, using...

I can do the UI stuff my self, but if you want you can port some of the known generators to java. I'm thinking like one function per product/generator. So...

Hi! The 0x69 is in there because it refers to non-personalized cards according to [AN10787 - MIFARE Application Directory (MAD)](https://www.nxp.com/docs/en/application-note/AN10787.pdf). The "General-purpose byte (GPB)" might be different when a MAD...

Hehe, sure. But no promises. I feel that this is a rarely needed corner case ;) Also, the 0xBC seems to be the right state for factory formatted tags.