Phone wont turn on

[elmontrojc]

hey guys i have my gs2 rooted with the juggernaut rom and decieded i wanted something new and was trying to installl the vallain rom on it. my dumbass missed the part where the vallain rom is for international verison of the gs2 and now my phone wont even turn on. i just bought the jig device hoping this help but in the meantime is there anything i can do? i hold the power button and the volume keys down for about 5 mins and nothing. any help? thanks