https://community.nxp.com/t5/NFC/SetConfiguration-Command-length-error-ntag-424/m-p/1742130#M10873 <P>Hi,</P><P>I want to run setConfiguration command and according to NT4H2421Gx PDF the command should be like : [ 0x90,0x5C,0x00,0x00,<FONT color="#339966">0x06</FONT>,<FONT color="#0000FF">0x0A</FONT>,<FONT color="#FF0000">0x00</FONT>,0x00,0x00,0x00,0x00,0x00]</P><P><FONT color="#FF0000"><FONT color="#339966">Lc 0x06 : Data Parameters length is 5 + <FONT color="#0000FF">1 (option = 0x0A)</FONT></FONT></FONT></P><P><FONT color="#0000FF">Option : 0x0A =&gt; Failed authentication counter setting</FONT></P><P><FONT color="#FF0000">Data (FailedCtrOption) : 0x00 =&gt; it 0: Set to 0b for disabling</FONT></P><P><FONT color="#000000"><STRONG>but it return 7Eh</STRONG> (Option 0Ah: Data length is not 5) while is 5 !</FONT></P><DIV><SPAN class=""><SPAN>Any help appreciated.</SPAN></SPAN></DIV> Wed, 18 Oct 2023 13:35:20 GMT zahra2023 2023-10-18T13:35:20Z https://community.nxp.com/t5/NFC/SetConfiguration-Command-length-error-ntag-424/m-p/1742130#M10873 <P>Hi,</P><P>I want to run setConfiguration command and according to NT4H2421Gx PDF the command should be like : [ 0x90,0x5C,0x00,0x00,<FONT color="#339966">0x06</FONT>,<FONT color="#0000FF">0x0A</FONT>,<FONT color="#FF0000">0x00</FONT>,0x00,0x00,0x00,0x00,0x00]</P><P><FONT color="#FF0000"><FONT color="#339966">Lc 0x06 : Data Parameters length is 5 + <FONT color="#0000FF">1 (option = 0x0A)</FONT></FONT></FONT></P><P><FONT color="#0000FF">Option : 0x0A =&gt; Failed authentication counter setting</FONT></P><P><FONT color="#FF0000">Data (FailedCtrOption) : 0x00 =&gt; it 0: Set to 0b for disabling</FONT></P><P><FONT color="#000000"><STRONG>but it return 7Eh</STRONG> (Option 0Ah: Data length is not 5) while is 5 !</FONT></P><DIV><SPAN class=""><SPAN>Any help appreciated.</SPAN></SPAN></DIV> Wed, 18 Oct 2023 13:35:20 GMT https://community.nxp.com/t5/NFC/SetConfiguration-Command-length-error-ntag-424/m-p/1742130#M10873 zahra2023 2023-10-18T13:35:20Z