Storm 2 unlock Prob

[¡Viva la Anna!]

Hi, I have an BB Storm 2 9520. I have the Unlockcode and tried to enter the Code. But it will not work. I used fallowed Instructions.

advanced Option - Sim Card - enter MEPD
thats all nothing happend. There is no Information about Phone or somthing else. I saw the Videos on You Tube also, this Phone did

 

[blackdawn187]

Go Closed and Type MEPE and give Inside you Code

All Info found per Google