MMC files aren't that difficult to create. And are merely a time saving measure to flashing phones. If you have the DLL and Samsung PST, you can fully flash most of the phones to Cricket. The settings are in the cricket forum as far as MMS and WAP. It's pretty straight forward.
NOTE: Once you get all the settings written to the phone, you can save the MMC file and use it for your next one.
I hope this helps out.
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