JavaCard OS

When I inserted my JCOP card in ACR1281U,I sent two successive RESET request. But I received two different ATR .
What's the problem ?
Thank u for your answer.

Update:
the first received ATR:
3b f0 13 00 00 81 31 fe 45 e8

the second received ATR:
3b f9 13 00 00 81 31 fe 45 4a 43 4f 50 32 34 32 52 33 a2

Show the ATRs first.

shyjarod wrote:When I inserted my JCOP card in ACR1281U,I sent two successive RESET request. But I received two different ATR .
What's the problem ?
Thank u for your answer.

Update:
the first received ATR:
3b f0 13 00 00 81 31 fe 45 e8

the second received ATR:
3b f9 13 00 00 81 31 fe 45 4a 43 4f 50 32 34 32 52 33 a2

1st one is cold reset ATR, 2nd is warm reset ATR