You didn't ruin it but you made a little more work for yourself. Follow these steps exactly and be PATIENT. It can multiple tries to get the first link to work and can take up to 1.25 hours for your BB to upgrade.
Good Luck and report back!
Start here:
How do I wipe the BlackBerry using Jl Cmder? - BlackBerryFAQ
If that fails here:
What to do next if Jl Cmder will not connect and wipe - BlackBerryFAQ
Then here:
How do I upgrade the OS on my BlackBerry? - BlackBerryFAQ
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