APDU status word · ISO/IEC 7816-4 · EMV
6E00Class not supported
What does APDU response 6E00 mean?
Class byte (CLA) not supported.
SW1
6E
SW2
00
Category
Error
Defined in
ISO/IEC 7816-4
In an EMV transaction
- The CLA byte is wrong for this card — EMV commands use CLA 00 or 80 (proprietary, e.g. GPO and GENERATE AC). Check the command header.
Decode any value
Paste any SW1 SW2 status word — including proprietary and card-OS specific values — to look it up in the full list.
Open the APDU Response Codes