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I've downloaded the ACR38U-I1 android driver from the official page. The the downloaded zip file there is a sample apk to test the reader. My tried to read a infineon SLE4428 card with the sample app. I followed these steps:

  • Connect the ACR38U-I1 reader to my android phone
  • Open the android app, then i can see the connected reader
  • Click "Open" to open the reader
  • Insert the card into the slot
  • "Warm Reset" the card
  • Click "Read Key"

but then the log shows InvalidArgumentException - The control code 2080 is invalid

enter image description here

How can i read the card ? Please help.

palatok
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  • While this reader should be able to read memory cards like SLE4428, I have no idea, what the command *read key* should do with such a memory card, which has no key whatsoever. So it seems the sample app mismatches the card you try to handle. – guidot Nov 27 '20 at 08:16
  • So i think I need to transmit a command to read the content of the card. Can you share how to read/write to this card ? – palatok Nov 27 '20 at 09:03
  • Start at [this question](https://stackoverflow.com/questions/13145103/working-with-ic-card-reader-and-sle5528-smart-card). – guidot Nov 27 '20 at 11:04
  • Thanks @guidot, It helped a lot. Can i ask you a little favor ? I can't understand how SLE4428 PSC verification works, Can i write into the card without PSC verification?. Can you guide me with some links? Thanks in advance – palatok Nov 27 '20 at 14:56

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