Support Please help unbrick my phone

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http://androidforums.com – I originally rooted my phone and thought that a factory reset would erase everything I did and the clockworkmod app. Apparently, it didn't because when the Verizon update came in, it wouldn't update. So I held the power, home, and volume up button in hopes of clearing everything. That was dumb because I think I erased my os. Now it doesn't get past the Samsung logo screen. Is there any way to fix this? Thanks (General)