On your web site it says to do a factory reset after backup
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Are you asking if you should do a factory reset after you make a backup?
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Performing a factory reset is the same thing as wiping data and cache. We also want you to format (wipe) boot and system, and also Dalvik cache, before you install the ROM. This gives you the best chance of avoiding problems that aren't related to the ROM.
This is something I do before ANY ROM install, not just for this one.
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