Can I revert it back?? :(

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I have a big problem !!! I had on my phone root s-off ROM Shooter Beats 1,7 and I flashed CWM 4.0.1.-shooteru via fastboot.
BUT when I was in fastboot USB I was thinking that I will try to have root with s-on on the screen on HBOOT. So I used command that I read in unroot section.
fastboot oem fastboot oem writesecureflag 3 and then reboot bootloader and my pfone is off and I cannot turn it on and dont know what to do :( I am scared

can you access the bootloader? try a battery pull then reinsert and try to access bootloader again