P2KTools check lock problem

I was in my V551 using P2Ktool and I went to Flex Tools, Check Lock.
I had to power off my phone and now when I turn it on it shows a
padlock with a line below waiting for me to enter some kind of code.
What do I enter OR how do I reverse the problem I caused?
FLEX: gspan2cin03na07b
FIRMWARE:@[#]R47_G_08.17.0FR_01

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EXACTLY what is it asking for? Security code subsidy code? Sim pin?
"prc2u" <[email protected]> wrote in message
news:[email protected]...
>I was in my V551 using P2Ktool and I went to Flex Tools, Check Lock.
> I had to power off my phone and now when I turn it on it shows a
> padlock with a line below waiting for me to enter some kind of code.
> What do I enter OR how do I reverse the problem I caused?
> FLEX: gspan2cin03na07b
> FIRMWARE:@[#]R47_G_08.17.0FR_01