Undo/lose half flash?

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http://androidforums.com – Hi, new to flashing here. I used cdmaflasher to flash the phone. I half flashed it first then I did a hard reset (thinking it would undo the half flash) then full flashed it. I got it activated to mobipcs afterwards and the associate said data can't be accessed. Is there any way to undo the half flash and full flash it so I can use data on the phone? (General)